It’s Feb. 20 and the first spring migrant is flying low over the waters of a mountain lake in Transylvania County. The first tree swallow has arrived, but winter has not yet retreated and it’s a ...

Mating by birds — the passage of sperm from the male to fertilize eggs produced by the female — is quite unlike that of mammals. It begins with the male Tree Swallow, in this case, finding an ...

"Get off my lawn!" Funny as a meme but maybe scary in real life, this short sentence is synonymous with an elderly man shouting at kids whose bikes have gotten too close to a well-manicured front yard ...

Cliff swallows are said by ornithologists to show the highest degree of colonization of any of the 89 swallow species in the world. Colonies can number from 200 to more than 2,000 nests. They could be ...