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The jaw muscles, which allow the bird to close its beak, attach to the proximal end of the lower mandible and to the bird's skull. [34] The muscles that depress the lower mandible are usually weak, except in a few birds such as the starlings (and the extinct Huia ), which have well-developed digastric muscles that aid in foraging by prying or ...
Finches are small to moderately large seed-eating passerine birds with a strong beak, usually conical and in some species very large. All have 12 tail feathers and nine primary flight feathers . Finches have a bouncing flight, alternating bouts of flapping with gliding on closed wings, and most sing well.
The beak, bill, or rostrum is an external anatomical structure found mostly in birds, but also in turtles, non-avian dinosaurs and a few mammals. A beak is used for pecking, grasping, and holding (in probing for food, eating, manipulating and carrying objects, killing prey, or fighting), preening, courtship, and feeding young.
In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct.
The vampire finch (Geospiza septentrionalis) is an unusual bird that only lives on two remote islands in the Galápagos: Wolf Island and Darwin Island.These two islands are about 100 miles away ...
Flamingos are gregarious wading birds, usually 3 to 5 feet (0.9 to 1.5 m) tall, found in both the Western and Eastern Hemispheres. Flamingos filter-feed on shellfish and algae. Their oddly shaped beaks are specially adapted to separate mud and silt from the food they consume and, uniquely, are used upside-down.
Finches are seed-eating passerine birds that are small to moderately large and have a strong beak, usually conical and in some species very large. All have twelve tail feathers and nine primaries. These birds have a bouncing flight with alternating bouts of flapping and gliding on closed wings, and most sing well.
This is the list of the birds of New Zealand. The common name of the bird in New Zealand English is given first, and its Māori-language name, if different, is also noted. The North Island and South Island are the two largest islands of New Zealand. Stewart Island is the largest of the smaller islands.