The idea, outlined in a 2004 paper in Conservation Biology, is that bats with broad, rounded wings tend to cover less territory than their sharper-winged cousins and so are more vulnerable to habitat fragmentation.
The majority of gallinaceous birds are heavy-bodied, with short, rounded wings and strong, four-toed feet, adapted for life on the ground; a few, such as cracids and the hoatzin, live mainly in trees.
An untold number of drivers have whizzed past and wondered about a reddish-brick building beside the Franklin D. Roosevelt Drive, not far from the Williamsburg Bridge, with two rounded wings, capped by curved black balconies, that reach toward the East River.
Rail, any of 127 species of slender, somewhat chicken-shaped marsh birds, with short rounded wings, short tail, large feet, and long toes, of the family Rallidae (order Gruiformes).
They are small birds with short rounded wings and tails.
The tawny owl flies with long glides on rounded wings, less undulating and with fewer wingbeats than other Eurasian owls, and typically at a greater height.
The adults have distinctive rounded wings with colorful stripes.
All Contingidae have a broad bill with slightly hooked tip, rounded wings, and short legs.
They have thin bills; long nostrils with a covering flap; medium, rounded wings; and weak legs and feet.
