Chickadee eggs are white with small reddish-brown spots. The eggs of these cavity-nesting birds are rarely seen by most birders because the species does not usually choose artificial nest boxes.

Mountain chickadees breed once per year, with an average clutch size of seven eggs, and individuals with the best spatial abilities may produce more than double the number of offspring (i.e. 14 ...

Because of its practice of laying eggs in other birds’ nests leaving its young to be raised by their “foster” parents, the brown-headed cowbird is what’s known as a “brood parasite ...

Many other birds, including chickadees, cardinals and house finches, will eat safflower (and in the spring, the rose-breasted grosbeaks seem to seek out this seed).