In short, unlike the lungs of mammals, bird lungs do more than just breathe. An air-filled sac within the birds' lungs is believed to increase the force the birds use to power flight muscles while ...

Air sac cannulas are indicated in birds with upper respiratory obstruction or for ventilation during surgical procedures involving the head and neck. Proper technique, knowledge of potential ...

Certain air sacs have evolved in multiple lineages of soaring birds, and it emerges that these probably function to reduce the force required from the major flight muscles as they hold the wings ...

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 ...

The answer lies within their bones. In species like birds, that system contains cavities, also known as “air sacs,” within bones located throughout the entire body. Unlike mammalian breathing ...

The reason you’ll want to keep the bird upright is because birds have air sacs on the sides of their bodies. Similarly to lungs, these air sacs inflate and deflate to breathe, and presumably can ...

Live reconstruction of a Bonapartenykus specimen by Abel G. Montes. (Image Credit: Meso et al. 2025, CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0 ...

Like many modern birds, Tyrannosaurus, Apatosaurus and other giants had complex networks of air sacs that grew out of their throats and lungs and into their bones. The resulting porousness made ...

Air sacs, found in both extinct dinosaurs and modern birds, helped these creatures capture more oxygen and regulate body ...

Live reconstruction of a Bonapartenykus specimen by Abel G. Montes. Funding: We thank P. Chafrat from Museo Patagónico de Ciencias Naturales, General Roca, Río Negro Province, Argentina. The ...