Bird flight
Videos
Bird flight is the primary mode of locomotion used by most bird species in which birds take off and fly. Flight assists birds with feeding, breeding, avoiding predators, and migrating.
A flock of domestic pigeons each in a different phase of its flap
The ruby-throated hummingbird can beat its wings 52 times a second.
A young tundra swan runs atop the water while taking off
A magpie-goose taking off
Bird wing
Videos
Bird wings are paired forelimbs in birds, which evolved specialized feathers to generate lift and thrust and allow the birds to fly.
Bird flight
…adapted over millions of years through evolution for specific environments, prey, predators, and other needs, they developed specializations in their wings, and acquired different forms of flight. Various theories exist about how bird flight evolved, including flight from falling or gliding (the trees down…
The mute swan with outstretched wings
The short and rounded (elliptical) wings of the blue jay are adequate for short flights in densely-vegetated habitats.
A roseate tern uses its long wings (low wing loading and high aspect ratio) to fly economically for long periods of time.
The wings, as those on this black vulture (broad wings with noticeable primaries) are used to soar for long distances to find food: carrion