Wader
Videos
Waders or shorebirds are birds of the order Charadriiformes commonly found wading along shorelines and mudflats in order to forage for food crawling or burrowing in the mud and sand, usually small art
Semipalmated sandpiper at JBWR
Waders roosting on the beach at high tide
Waders in flight
Common ringed plover wading on a shore
Sexual dimorphism
Videos
Sexual dimorphism is the condition where different sexes of the same species exhibit different morphological characteristics, including characteristics not directly involved in reproduction. The condi
Wader
…prey including insects and small reptiles. Shorebirds, like many other animals, exhibit phenotypic differences between males and females, also known as sexual dimorphism. In shorebirds, various sexual dimorphism is seen, including, but not limited to, size (e.g. body size, bill length), colour, and agility. In polygynous…
Mandarin ducks, male (left) and female (right) depicts the male having more color vibrancy compared to his female counterpart, illustrating the dramatic difference in plumage between them, a manifestation of sexual dimorphism
The peacock, on the right, is courting the peahen, on the left.
Male (bottom) and female mallards. The male mallard has an unmistakable bottle-green head when his breeding plumage is present.
Orgyia antiqua: male with developed wings (left) and female with vestigial wings (right)