From 9-foot tall ostriches to albatrosses with gargantuan wingspans, here are some of the biggest birds in the world.

Inmates at Dumfries prison have been building bird nesting boxes to help bolster the population of common swifts in the ...

Eucalypt tree species are preparing for a mass blossoming that may all but guarantee a critically-endangered bird species' ...

The Bald Eagle’s undeniable majesty has earned it longtime status as the mascot of the United States, but the bird also has some surprisingly quirky traits, like its dicey aerial courtship routine or ...