These meat-eating birds, have sharp, hooked beaks that pierce, pluck and pull, allowing them to tear up their meals. Without this beak shape, raptors wouldnt be able to tear their meat into bite ...

Modern birds are dinosaurs without toothy jaws, and with bigger brains. Newly published research fills in some of the missing links in their evolution.

The highest rate of beak abnormalities ever recorded in wild bird populations has been detected in Alaska and the Northwest, according to a new study. "The prevalence of these strange deformities ...

How birds' beaks evolved characteristic shapes to eat different food is a classic example of evolution by natural selection. ... and these birds can't change one without changing the other.

The shapes of bird beaks are highly controlled by nondietary factors. Proceedings of the National Academy of Sciences , 2016; 201602683 DOI: 10.1073/pnas.1602683113 Cite This Page : ...

Greenberg hypothesizes that some bird species can use their beaks as a radiator to shed excess heat without losing water—like a jackrabbit's ears.

Beak shape and nest material use in birds. Philosophical Transactions of the Royal Society B: Biological Sciences , 2023; 378 (1884) DOI: 10.1098/rstb.2022.0147 Cite This Page : ...

First, Ichthyornis could move its beak in a very modern way, lifting its upper beak without moving the rest of its skull, the way all birds today do. It gives the beak more dexterity, so the bird ...