The figures are stills from the linked videos. a; Classical achalasia, showing a dilated esophageal body bird beak-like narrowing of lower esophageal sphincter (see Video 1). b; Vigorous achalasia ...

“ Longipteryx is one of my favorite fossil birds, because it’s just so weird—it has this long skull, and teeth only at the ...

Scientists have pieced together the skull of a strange ancient bird, revealing a primitive beak lined with teeth. The "transitional" bird sheds light on a pivotal point in the pathway from ...

A study of a bizarre prehistoric bird's fossilized remains has uncovered fascinating new details regarding its behavior. Living around 120 million years ago, the species, Longipteryx chaoyangensis, is ...

If you notice uneven wear, chipping, or flaking on your bird’s beak, it could be a sign of an underlying problem such as ...

Researchers have discovered that seabirds, including penguins and albatrosses, have highly-sensitive regions in their beaks ...

The symptoms include pain and discomfort after eating. Symptoms of achalasia are similar to other digestive disorders, and specific tests are conducted to rule out other disease conditions.

They found the birds with better spatial learning and memory abilities lived ... 'Some Pterosaurs Would Flap, Others Would Soar' -- New Study Further Confirms the Flight Capability of These Giants ...

“The whole of America lives under the sign of the bird.” Contact us at [email protected] ...

Further study of their beaks and food-gathering behaviour could help conserve some of these birds, many of which are at threat of extinction. The results are reported in the journal Biology Letters.