The first purple martins of the year have been spotted in South Dakota, marking the start of spring migration. These birds travel up to 7,000 miles from Brazil to their breeding grounds in North ...

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

Biofluorescence by itself isn't big news; it shows up in plenty of animals, including humans (our teeth fluoresce under UV ...

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 ...

A new survey of Welsh farms participating in the Breeding Bird Survey has revealed encouraging signs for several bird species of conservation concern.

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 ...