An air-filled sac within the birds' lungs is believed to increase the force the birds use to power flight muscles while soaring. Soaring birds -- like osprey, eagles, falcons, even vultures -- can ...
About 120 million years ago in what’s now northeastern China, a bird met its end during a volcanic eruption. Ashfall buried the animal so suddenly, its soft tissues didn’t have time to decay, and over ...
Unlike the lungs of mammals, bird lungs do more than just breathe. An air-filled sac within the birds’ lungs is thought to increase the force the birds use to power flight muscles while soaring. Large ...
ALBUQUERQUE — Fossilized lungs found preserved along with an ancient bird may breathe new life into studies of early avian respiration. If confirmed as lungs, the find marks the first time that ...
Birds are profoundly important animals. As predators, pollinators, seed dispersers, scavengers and ecosystem bioengineers, the world’s 11,000 species of birds play critical roles in the food chain and ...
Dinosaurs were able to thrive in the oxygen-thin atmosphere of prehistoric Earth because they had super-efficient bird-like lungs which may have given them an advantage over their competition, ...
ALBUQUERQUE, N.M. — Ancient organs rarely fossilize, so paleontologists were stunned to find the incredibly well-preserved remains of a lung that belonged to bird from the dinosaur age. Initially, ...
Like birds, green iguanas have unidirectional airflow in their lungs: When they breathe in or out, air flows in a one-way loop. “For years, people thought that the design evolved to meet the energetic ...
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