Northern cardinals, blue jays, American robins, and house sparrows are common birds throughout city life. These small, ...

In this video I am making a bird feeder out of these two spalted birch logs. There are a lot of birds in my area, so this project fitted perfectly.

Most bird species don’t fly above a few thousand feet in the air. But there are a few outliers. Here are some of the species that push the boundaries of their aerial potential – with a focus on the ...

Here’s an amusing video from the Bell Bros. that inserts Big Brid from sesame Street into Alfred Hitchcock’s The Birds, and ...

There are huge gaps in our knowledge of sperm, from how they navigate to why sperm counts are tumbling. The BBC unravels why we know so little about this perplexing cell.