You know that feeling when you’re especially hungry and want to eat as much as possible, but your mouth is only so big? Well, ...

Cliff swallow vs barn swallow: find out how to spot the differences. These birds are commonly seen swooping low over fields ...

"From a preoccupation with how much food is available ... and reproductive potential for these birds. Furthermore, the researchers said tree swallows may be timing breeding to coincide with ...

Instead, they found that swallows were eating more aquatic than terrestrial insects at all sites, and in 2012 it was actually the grassland birds whose diet contained a higher proportion of ...