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 ...

A bunch of cliff swallow birds were making a nuisance of themselves at the Eldersburg Crossing Shopping Center, where they built nests on exterior walls. Their loud chirping and messy, muddy nests may ...

Here’s a fun quiz to celebrate bird nesting season in New Hampshire. Listen to this episode and see how many bird nests you can identify, just by hearing a description! Bird species choose different ...

Populations of Rüppell’s vultures have fallen by more than 90% over the past four decades. Knowing exactly where these ...

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An AgriLife Extension expert discusses how to limit barn swallow nests on structures while adhering to federal law.

Sand martins choose steep sandy cliff faces or river banks to create burrows and dig out a small nesting chamber. The pre-made burrows mimic their natural habitat. "They're all facing upwards which ...

Researchers in Uganda say the country’s only nesting site of critically endangered Rüppell’s vultures is under threat from hunting, charcoal burning and farming. Two nesting colonies are built on ...

Several cliff areas in Vermont are closed to protect nesting peregrine falcons. Some closures are in effect until August 1. The peregrine falcon population is recovering after being decimated by the ...