Grackles either have the most annoying vocalizations or the most beautiful, depending on your perspective. Even the female grackles make noise, which isn’t always the case across the bird kingdom, ...

Don’t call them trash birds. Grackles, it turns out, do more than weigh down power lines, steal tortilla chips off your dinner plate and squawk in really loud voices. The gleaming black birds actually ...

Tundra swans have arrived. Look for them at Sombrero Marsh, Cottonwood Marsh (Walden Ponds), Boulder Reservoir and Lagerman Reservoir. Other rarities seen recently include Pacific loons, white-winged ...