Hummingbirds belong to the family Trochilidae, native to only the Americas. They are the third largest bird family, right after the tyrant flycatchers and tanagers, consisting of 363 species in 112 genera. They occur as far north as Alaska and as far south as Tierra del Fuego, though the highest concentration can be found in…
Tag: bird biology
Bird Anatomy: Gonys
A bird’s beak can have different components to it depending on the species or bird family. On gull species, where the two lateral plates of the lower mandible connect towards the tip of the beak form a ridge or bulge called the gonydeal expansion. This bulge also causes a bump out on the lower mandible…
Bird Nests: Cavities
Bird species use a variety of different structures to help protect their eggs and growing young before they fledge. Many times when you think of a bird’s nest, you think of a structure in a tree made of sticks, moss, and various other plant materials. Several species though make their nests in cavities instead, whether…
Bird Migration
Migration is described as a yearly seasonal movement of a population of animals, in this case birds, generally north to south, to and from breeding and wintering grounds. Many are familiar with an overhead passing form of canada geese noisily flying over in their typical v formation. Seeing these large flocks form twice a year,…