ST. LOUIS, Dec. 7 (UPI) --A Missouri mechanic searching for the origin of a "loud squeak" under the hood of an SUV discovered a small bird living in the engine air filter housing. Daniel Jaeger ...

It is a common bird around backyards as it walks ... If you look closely, you will also see a small white collar on the back of its neck. The squeaky call sounds at a much higher pitch than ...

This little bird is found almost exclusively in urban and suburban habitats, especially in areas with buildings, lawn and small conifers ... Listen for its rapid squeaky chipping and the humming ...

because similar-sized birds and other mammals use much lower frequencies to communicate. One existing theory is that high-frequency calls are used by bats to detect small prey, and the changes in ...

Male birds have shimmering blue and green feathers, while females tend to sport low-key green plumage. The tropical rainforest is a dangerous place for small birds, said Falk, who’s also a researcher ...