1.
Hunting
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Hunting is the practice of killing or trapping animals, or pursuing or tracking them with the intent of doing so. Hunting wildlife or feral animals is most commonly done by humans for food, recreation, to predators that are dangerous to humans or domestic animals. Lawful hunting is distinguished from poaching, which is the killing, trapping or capture of the hunted species. The species that are hunted are referred to as game or prey and are usually mammals, Hunting can also be a means of pest control. However, hunting has also contributed to the endangerment, extirpation and extinction of many animals. The pursuit, capture and release, or capture for food of fish is called fishing, the practice of foraging or gathering materials from plants and mushrooms is also considered separate from hunting. The word hunt serves as both a noun and a verb, the noun has been dated to the early 12th century, act of chasing game, from the verb hunt. The meaning of a body of persons associated for the purpose of hunting with a pack of hounds is first recorded in the 1570s, meaning the act of searching for someone or something is from about 1600. The verb, Old English huntian to chase game, perhaps developed from hunta hunter, is related to hentan to seize, from Proto-Germanic huntojan, the general sense of search diligently is first recorded c. Hunting has a history and may well pre-date the rise of the species Homo sapiens. Evidence from western Kenya suggests that hunting has been occurring for more two million years. Furthermore, evidence exists that hunting may have one of the multiple environmental factors leading to the Holocene extinction of megafauna. North American megafauna extinction was coincidental with the Younger Dryas impact event, however, in other locations such as Australia, humans are thought to have played a very significant role in the extinction of the Australian megafauna that was widespread prior to human occupation. The closest surviving relatives of the species are the two species of Pan, the common chimpanzee and bonobos. Common chimpanzees have a diet that includes troop hunting behaviour based on beta males being led by an alpha male. Bonobos have also observed to occasionally engage in group hunting. With the establishment of language, culture, and religion, hunting became a theme of stories and myths, as well as such as dance. Hunting was a component of hunter-gatherer societies before the domestication of livestock
2.
Pest control
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Pest control refers to the regulation or management of a species defined as a pest, and can be perceived to be detrimental to a persons health, the ecology or the economy. A practitioner of pest control is called an exterminator, Pest control is at least as old as agriculture, as there has always been a need to keep crops free from pests. In order to maximize production, it is advantageous to protect crops from competing species of plants. Techniques such as rotation, companion planting, and the selective breeding of pest-resistant cultivars have a long history. In the UK, following concern about animal welfare, humane pest control, for instance, with the urban red fox which territorial behaviour is used against the animal, usually in conjunction with non-injurious chemical repellents. In rural areas of Britain, the use of firearms for pest control is quite common, chemical pesticides date back 4,500 years, when the Sumerians used sulfur compounds as insecticides. The Rig Veda, which is about 4,000 years old, in the 20th century, the discovery of several synthetic insecticides, such as DDT, and herbicides boosted this development. Many pests have only become a problem as a result of the actions by humans. Modifying these actions can often reduce the pest problem. In the United States, raccoons caused a nuisance by tearing open refuse sacks, many householders introduced bins with locking lids, which deterred the raccoons from visiting. House flies tend to accumulate wherever there is activity and live in close association with people all over the world especially where food or food waste is exposed. Similarly, seagulls have become pests at many seaside resorts, tourists would often feed the birds with scraps of fish and chips, and before long, the birds would rely on this food source and act aggressively towards humans. Living organisms evolve and increase their resistance to biological, chemical, physical or any form of control. Perhaps as far ago as 3000BC in Egypt, cats were being used to control pests of grain such as rodents. In 1939/40 a survey discovered that cats could keep a population of rats down to a low level. However, if the rats were cleared by trapping or poisoning, ferrets were domesticated at least by 500 AD in Europe, being used as mousers. Mongooses have been introduced into homes to control rodents and snakes, biological pest control is the control of one through the control and management of natural predators and parasites. For example, mosquitoes are often controlled by putting Bt Bacillus thuringiensis ssp. israelensis, the treatment has no known negative consequences on the remaining ecology and is safe for humans to drink
3.
Mammal
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Mammals are any vertebrates within the class Mammalia, a clade of endothermic amniotes distinguished from reptiles by the possession of a neocortex, hair, three middle ear bones and mammary glands. All female mammals nurse their young with milk, secreted from the mammary glands, Mammals include the largest animals on the planet, the great whales. The basic body type is a quadruped, but some mammals are adapted for life at sea, in the air, in trees. The largest group of mammals, the placentals, have a placenta, Mammals range in size from the 30–40 mm bumblebee bat to the 30-meter blue whale. With the exception of the five species of monotreme, all modern mammals give birth to live young, most mammals, including the six most species-rich orders, belong to the placental group. The largest orders are the rodents, bats and Soricomorpha, the next three biggest orders, depending on the biological classification scheme used, are the Primates, the Cetartiodactyla, and the Carnivora. Living mammals are divided into the Yinotheria and Theriiformes There are around 5450 species of mammal, in some classifications, extant mammals are divided into two subclasses, the Prototheria, that is, the order Monotremata, and the Theria, or the infraclasses Metatheria and Eutheria. The marsupials constitute the group of the Metatheria, and include all living metatherians as well as many extinct ones. Much of the changes reflect the advances of cladistic analysis and molecular genetics, findings from molecular genetics, for example, have prompted adopting new groups, such as the Afrotheria, and abandoning traditional groups, such as the Insectivora. The mammals represent the only living Synapsida, which together with the Sauropsida form the Amniota clade, the early synapsid mammalian ancestors were sphenacodont pelycosaurs, a group that produced the non-mammalian Dimetrodon. At the end of the Carboniferous period, this group diverged from the line that led to todays reptiles. Some mammals are intelligent, with some possessing large brains, self-awareness, Mammals can communicate and vocalize in several different ways, including the production of ultrasound, scent-marking, alarm signals, singing, and echolocation. Mammals can organize themselves into fission-fusion societies, harems, and hierarchies, most mammals are polygynous, but some can be monogamous or polyandrous. They provided, and continue to provide, power for transport and agriculture, as well as commodities such as meat, dairy products, wool. Mammals are hunted or raced for sport, and are used as model organisms in science, Mammals have been depicted in art since Palaeolithic times, and appear in literature, film, mythology, and religion. Defaunation of mammals is primarily driven by anthropogenic factors, such as poaching and habitat destruction, Mammal classification has been through several iterations since Carl Linnaeus initially defined the class. No classification system is accepted, McKenna & Bell and Wilson & Reader provide useful recent compendiums. Though field work gradually made Simpsons classification outdated, it remains the closest thing to a classification of mammals
4.
Bird
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Birds, a subgroup of Reptiles, are the last living examples of Dinosaurs. Birds live worldwide and range in size from the 5 cm bee hummingbird to the 2.75 m ostrich. They rank as the class of tetrapods with the most living species, at ten thousand. Birds are the closest living relatives of crocodilians, the fossil record indicates that birds evolved from feathered ancestors within the theropod group of saurischian dinosaurs. True birds first appeared during the Cretaceous period, around 100 million years ago, Birds, especially those in the southern continents, survived this event and then migrated to other parts of the world while diversifying during periods of global cooling. Primitive bird-like dinosaurs that lie outside class Aves proper, in the broader group Avialae, have been found dating back to the mid-Jurassic period, around 170 million years ago. Birds have wings which are more or less developed depending on the species, the digestive and respiratory systems of birds are also uniquely adapted for flight. Some bird species of aquatic environments, particularly seabirds and some waterbirds, have evolved for swimming. Many species annually migrate great distances, Birds are social, communicating with visual signals, calls, and bird songs, and participating in such social behaviours as cooperative breeding and hunting, flocking, and mobbing of predators. The vast majority of species are socially monogamous, usually for one breeding season at a time, sometimes for years. Other species have breeding systems that are polygynous or, rarely, Birds produce offspring by laying eggs which are fertilised through sexual reproduction. They are usually laid in a nest and incubated by the parents, most birds have an extended period of parental care after hatching. Some birds, such as hens, lay eggs even when not fertilised, songbirds, parrots, and other species are popular as pets. Guano is harvested for use as a fertiliser, Birds prominently figure throughout human culture. About 120–130 species have become extinct due to human activity since the 17th century, human activity threatens about 1,200 bird species with extinction, though efforts are underway to protect them. Recreational birdwatching is an important part of the ecotourism industry, the first classification of birds was developed by Francis Willughby and John Ray in their 1676 volume Ornithologiae. Carl Linnaeus modified that work in 1758 to devise the taxonomic classification system currently in use, Birds are categorised as the biological class Aves in Linnaean taxonomy. Phylogenetic taxonomy places Aves in the dinosaur clade Theropoda, Aves and a sister group, the clade Crocodilia, contain the only living representatives of the reptile clade Archosauria
5.
Predation
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In an ecosystem, predation is a biological interaction where a predator feeds on its prey. Predators may or may not kill their prey prior to feeding on it, but the act of predation often results in the death of the prey, thus predation is often, though not always, carnivory. Other categories of consumption are herbivory, fungivory, and detritivory, all of these are consumer-resource systems. It can often be difficult to separate various types of feeding behaviors. For example, some parasites prey on their host and then lay their eggs on it, for their offspring to feed on it while it continues to live, the key characteristic of predation is the predators direct impact on the prey population. Selective pressures imposed on one another leads to an evolutionary arms race between prey and predator, resulting in various antipredator adaptations. Ways of classifying predation include grouping by trophic level or diet, by specialization, Predators can be classified by their interactions with their prey. Two factors are considered here, how close the predator and prey are, and whether the prey is killed by the predator. A true predator is one that kills and eats another living thing, Predators may hunt actively for prey in pursuit predation, or sit and wait for prey to approach within striking distance, as in ambush predators. Some predation entails venom that subdues a prey before the predator ingests it, as in the box jellyfish, or disables it, in some cases, the venom contributes to the digestion of the prey, as in rattlesnakes and some spiders. In contrast, baleen whales eat millions of microscopic plankton at once, seed and egg predation are true predation, as seeds and eggs are potential organisms. Predators need not eat prey entirely, for example, some predators cannot digest bones, some may eat only part of an organism, but still consistently cause its death. Grazing organisms do not often kill their prey, while some herbivores like zooplankton live on unicellular phytoplankton and therefore, by the individualized nature of the organism, kill their prey, many others only eat a small part of the plant. Grazing livestock may pull some grass out at the roots, but most is simply grazed upon, kelp is frequently grazed in subtidal kelp forests, but regrows at the base of the blade continuously to cope with browsing pressure. Animals may also be grazed upon, female mosquitos land on hosts briefly to gain sufficient proteins for the development of their offspring, starfish may be grazed on, being capable of regenerating lost arms. Parasites can at times be difficult to distinguish from grazers and their feeding behavior is similar in many ways, however they are noted for their close association with their host species. This close living arrangement may be described by the symbiosis, living together. Parasitic organisms range from the mistletoe, a parasitic plant
6.
Bald eagle
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The bald eagle is a bird of prey found in North America. A sea eagle, it has two subspecies and forms a species pair with the white-tailed eagle. Its range includes most of Canada and Alaska, all of the contiguous United States and it is found near large bodies of open water with an abundant food supply and old-growth trees for nesting. The bald eagle is a feeder which subsists mainly on fish. It builds the largest nest of any North American bird and the largest tree nests ever recorded for any species, up to 4 m deep,2.5 m wide. Sexual maturity is attained at the age of four to five years, Bald eagles are not actually bald, the name derives from an older meaning of the word, white headed. The adult is brown with a white head and tail. The sexes are identical in plumage, but females are about 25 percent larger than males, the beak is large and hooked. The plumage of the immature is brown, the bald eagle is both the national bird and national animal of the United States of America. The bald eagle appears on its seal, in the late 20th century it was on the brink of extirpation in the contiguous United States. Populations have since recovered and the species was removed from the U. S. governments list of endangered species on July 12,1995 and it was removed from the List of Endangered and Threatened Wildlife in the Lower 48 States on June 28,2007. The plumage of an bald eagle is evenly dark brown with a white head. The tail is long and slightly wedge-shaped. Males and females are identical in coloration, but sexual dimorphism is evident in the species. The beak, feet and irises are bright yellow, the legs are feather-free, and the toes are short and powerful with large talons. The highly developed talon of the toe is used to pierce the vital areas of prey while it is held immobile by the front toes. The beak is large and hooked, with a yellow cere, the adult bald eagle is unmistakable in its native range. The closely related African fish eagle also has a body, white head and tail
7.
Barred owl
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The barred owl is a large typical owl native to North America. Best known as the hoot owl for its call, it goes by many other names, including eight hooter, rain owl, wood owl. The adult is 40–63 cm long with a 96–125 cm wingspan, weight in this species is 500 to 1,050 g. It has a face with dark rings around the eyes. It is the typical owl of the eastern United States which has brown eyes. The upper parts are mottled gray-brown, the underparts are light with markings, the chest is barred horizontally while the belly is streaked vertically. The legs and feet are covered in feathers up to the talons, the head is round and lacks ear tufts. Outside of the closely related spotted owl, this streaky, dark-eyed, the spotted owl is similar in appearance, but is slightly smaller and has spots rather than streaks down the underside. The great horned owl is much larger, has ear tufts, during the past century, barred owls expanded their range from forests east of the Great Plains to forests throughout most of central and western North America. Evidently, barred owls originally traveled across the northern Great Plains via the forested riparian corridors of the Missouri, Yellowstone, from there, they accessed western forests in southwestern Montana, moved to northwestern Montana and then expanded their range in two general directions. They moved north and east to northern Alberta and Saskatchewan where they encountered other barred owls coming westward from Manitoba. They also moved north to northern British Columbia, southeastern Alaska and Northwest Territories, and west and south to Washington, Idaho, Oregon, and California. The historical lack of trees in the Great Plains evidently acted as a barrier to the range expansion, so it appears the range expansion was prohibited for millennia by actions of Native Americans and recently facilitated by actions of European settlers. Breeding habitats are dense woods across Canada, the United States, the species is particularly numerous in a variety of wooded habitats in the southeastern United States. Recent studies show suburban neighborhoods can be habitat for barred owls. Using transmitters, scientists found that some regional populations increased faster in the suburban settings than in old growth forest, a factor of this suburban success may be easily accessible rodent prey in such settings. However, for breeding and roosting needs, this species needs at least some large trees, the main danger to owls in suburban settings is from cars. The increased offspring offset the death rate due to impacts from cars and disease
8.
Bobcat
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The bobcat is a North American cat that appeared during the Irvingtonian stage of around 1.8 million years ago. Containing 12 recognized subspecies, it ranges from southern Canada to central Mexico, the bobcat is an adaptable predator that inhabits wooded areas, as well as semidesert, urban edge, forest edge, and swampland environments. It remains in some of its range, but populations are vulnerable to local extinction by coyotes. With a gray to brown coat, whiskered face, and black-tufted ears and it is smaller on average than the Canada lynx, with which it shares parts of its range, but is about twice as large as the domestic cat. It has distinctive black bars on its forelegs and a black-tipped, stubby tail, though the bobcat prefers rabbits and hares, it hunts insects, chickens, geese and other birds, small rodents, and deer. Prey selection depends on location and habitat, season, and abundance, like most cats, the bobcat is territorial and largely solitary, although with some overlap in home ranges. It uses several methods to mark its boundaries, including claw marks. The bobcat breeds from winter into spring and has a period of about two months. Although bobcats have been hunted extensively by humans, both for sport and fur, their population has proven resilient though declining in some areas, the elusive predator features in Native American mythology and the folklore of European settlers. The Lynx genus is now accepted, and the bobcat is listed as Lynx rufus in modern taxonomic sources. Johnson et al. reported Lynx shared a clade with the puma, leopard cat, the first wave moved into the southern portion of North America, which was soon cut off from the north by glaciers. This population evolved into modern bobcats around 20,000 years ago, a second population arrived from Asia and settled in the north, developing into the modern Canada lynx. Hybridization between the bobcat and the Canada lynx may sometimes occur, the bobcat resembles other species of the Lynx genus, but is on average the smallest of the four. Its coat is variable, though generally tan to grayish-brown, with streaks on the body and dark bars on the forelegs. Its spotted patterning acts as camouflage, the ears are black-tipped and pointed, with short, black tufts. Generally, a color is seen on the lips, chin. Bobcats in the regions of the southwest have the lightest-colored coats, while those in the northern. Kittens are born well-furred and already have their spots, a few melanistic bobcats have been sighted and captured in Florida
9.
Cooper's hawk
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Coopers hawk is a medium-sized hawk native to the North American continent and found from Southern Canada to Northern Mexico. As in many birds of prey, the male is smaller than the female, the birds found east of the Mississippi River tend to be larger on average than the birds found to the west. Other common names for the Coopers hawk include, big blue darter, chicken hawk, flying cross, hen hawk, quail hawk, striker, Coopers hawk was first described by French naturalist Charles Lucien Bonaparte in 1828. It is a member of the goshawk genus Accipiter and this bird was named after the naturalist William Cooper, one of the founders of the New York Lyceum of Natural History in New York. Other common names, big blue darter, chicken hawk, hen hawk, Mexican hawk, quail hawk, striker, the average mass of an adult male ranges from 220 to 440 g with a length between 35 and 46 cm. The adult male is smaller than the average female, which weigh 330 to 700 g. As in most accipiters, the tarsus is long, measuring 5. 6–7.6 cm long. Adults have red eyes and have a cap, with blue-gray upper parts and white underparts with fine, thin. Their tail is blue-gray on top and pale underneath, barred with black bands, immatures have yellow eyes and have a brown cap, with brown upper parts and pale underparts with thin black streaks mostly ending at the belly. Their tail is brown on top and pale underneath, barred with dark bands, the eyes of this hawk, as in most predatory birds, face forward, enabling good depth perception for hunting and catching prey while flying at top speeds. They have hooked bills that are adapted for tearing flesh of prey. Although the coloration is generally somewhat similar between sharp-shinned hawks and Coopers hawks, Coopers appear broader-chested and larger-headed, with more robust features. The crow-like size of Coopers hawks is sometimes distinctive from the sharp-shinned, the Coopers hawk appears long-necked in flight and has been described by birdwatchers as looking like a flying cross. The Coopers hawk is seen flying with quick, consecutive wing beats. Their breeding range extends from southern Canada to northern Mexico and they are generally distributed more to the south than the other North American accipiters, the sharp-shinned hawk and the northern goshawk. Birds from most of the Canadian and northern U. S. range migrate in winter and they were once thought to be averse to cities and towns, but are now fairly common urban and suburban birds. The cities provide plenty of rock pigeon and mourning dove for the Coopers hawk to prey on and these birds capture prey from cover or while flying quickly through dense vegetation, relying almost totally on surprise. One study showed that this is a dangerous hunting style
10.
Cougar
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The cougar, also commonly known as the mountain lion, puma, panther, or catamount, is a large felid of the subfamily Felinae native to the Americas. Its range, from the Canadian Yukon to the southern Andes of South America, is the greatest of any large wild terrestrial mammal in the Western Hemisphere, an adaptable, generalist species, the cougar is found in most American habitat types. It is the second-heaviest cat in the New World, after the jaguar, secretive and largely solitary by nature, the cougar is properly considered both nocturnal and crepuscular, although there are daytime sightings. The cougar is more related to smaller felines, including the domestic cat, than to any species of subfamily Pantherinae. The cougar is a predator and pursues a wide variety of prey. Primary food sources are ungulates, particularly deer, but also livestock and it also hunts species as small as insects and rodents. This cat prefers habitats with dense underbrush and rocky areas for stalking, the cougar is territorial and survives at low population densities. Individual territory sizes depend on terrain, vegetation, and abundance of prey, while large, it is not always the apex predator in its range, yielding to the jaguar, gray wolf, American black bear, and grizzly bear. It is reclusive and mostly avoids people, fatal attacks on humans are rare, but have recently been increasing in North America as more people enter their territories. Intensive hunting following European colonization of the Americas and the human development of cougar habitat has caused populations to drop in most parts of its historical range. In particular, the cougar was extirpated in eastern North America in the beginning of the 20th century, reports of eastern cougars still surface, although it was declared extirpated in 2011. With its vast range across the length of the Americas, P. concolor has dozens of names and various references in the mythology of the indigenous Americans and in contemporary culture. Currently, it is referred to as puma by most scientists, Mountain lion was a term first used in writing in 1858 from the diary of George A. Jackson of Colorado. Other names include catamount, mountain screamer, and painter, lexicographers regard painter as a primarily upper-Southern US regional variant on panther. The word panther is used to specifically designate the black panther, a melanistic jaguar or leopard, and the Florida panther. P. concolor holds the Guinness record for the animal with the greatest number of names, Cougar may be borrowed from the archaic Portuguese çuçuarana, the term was originally derived from the Tupi language susuarana, meaning similar to deer. A current form in Brazil is suçuarana and it may also be borrowed from the Guaraní language term guaçu ara or guazu ara. Less common Portuguese terms are onça-parda or leão-baio, or unusually non-native puma or leão-da-montanha, people in rural regions often refer to both the cougar and the jaguar as simply gata, and outside of the Amazon, both are colloquially referred to as simply onça by many people
