The song of the Savi's Warbler sounds like a strange insect buzzing. These birds live near European lakes, ponds, and rivers, just above the water's surface. During nesting season, males perch on ...

A strange, rare hybrid bird was found in a Northeast suburb in San Antonio. The mysterious bird is the offspring of a blue jay and a green jay, which biologists say may be among the first examples of ...

A male blue jay on the left, a female green jay on the right and a hybrid offspring of the two species in the center. Travis Maher / Cornell Lab of Ornithology / Macaulay Library (left); Brian Stokes ...

In one of those rare occurrences, the breeze of Cambridgeshire is enshrouded in a strange mystery - a mob of suspicious crows is conducting a secret operation. Some people have reported seeing them ...