Purple martins are returning from South America. The first "scouts" have been spotted in Michigan. What to know.

But because bird-of-paradise courtship relies on bright, colored plumage, lead author, evolutionary biologist Rene Martin ... that all core bird-of-paradise species possess fluorescent regions ...

These birds, North America's largest swallow species, travel up to 7,000 miles and play a crucial role in controlling insect populations. Purple martin populations have declined sharply in recent ...

Purple martins, a glossy black and purple swallow species that migrates ... the population of these amazing birds.” On March 13, the first purple martin, the largest North American swallow ...