After consulting texts on bird anatomy, O’Connor realized what they were: oral papillae. “Imagine if the flesh on the roof of ...

Flying is really hard work. Compared to walking, swimming, or running, flying is the form of movement that takes the most ...

“While these birds can look healthy on the outside, they’re not doing well on the inside.” “While these birds can look healthy on the outside, they’re not doing well on the inside,” Dr. Alex Bond, who ...

UNIVERSITY PARK, Pa. — Differences among the collection of bacteria and other microorganisms that live within birds’ digestive tracts — their gut microbiomes — are not primarily driven by diet ...

Differences among the collection of bacteria and other microorganisms that live within birds' digestive tracts -- their gut microbiomes -- are not primarily driven by diet diversity, contrary to a ...