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 ...

To comprehend this, consider how huge olfactory air sacs in birds allow them to both breathe and inhale scents. Usually, ...

The bird sits inside this bowl, slowly inflating its two enormous air sacs, sucking the air in with a whistling sound, until it is almost double its normal size, as big as a football. He then ...

The rare dancing grouse of the Southwest, called the lesser prairie chicken, is known for the males' elaborate calls and showy displays of reddish-orange air sacs while they perform mating dances on ...

This tissue forms sex cords which will develop into testes if the bird becomes a male or into the ovary if the bird becomes a female. Several thousand cells near the base of the yolk sac become very ...

An international team of paleobiologists have found that the sinuses of ocean dwelling relatives of modern-day crocodiles prevented them from evolving into deep divers like whales and dolphins.

Crowds of birdwatchers have continued to flock to a quiet cul-de-sac for a second day after a ... is believed to be the first time one of the birds has been sighted in Yorkshire.

Paleobiologists have found that the sinuses of ocean dwelling relatives of modern-day crocodiles prevented them from evolving into deep divers like whales and dolphins.

Biomechanics is the scientific study of the mechanics of living structures, or of non-living structures such as silk or nacre that are produced by organisms. Statistical analyses across hundreds ...

As Sacramento held its inaugural Native American parade Saturday morning, organized by the California Legislative Native ...

Photo: Supplied. A Korean Air flight from Da Nang City in central Vietnam to Seoul, South Korea was canceled after the plane was found with a dented nose and suspected bird strike markings. The flight ...