Birds are identified as
endothermic vertebrates found in all habitats around the world. Its
characteristics include; laying of hard-shelled eggs, strong but light
skeleton, feathers, four chambered heart, toothless beaked jaws, and a high
metabolic rate. Besides this similarity of features, birds differ in many other
classifications. There are numerous species of birds worldwide. However, this
paper will focus on only four namely; American Robin (Thrushes), Great Blue
Heron (Herons), Double Crested Cormorant (Cormorants), and Wood Stork (Stork).
American Robin (Thrushes)
This migratory songbird’s
name was borrowed from the European Robin due to its reddish -orange breast.
They are said to be Ubiquitous habitat generalists and can be found among
human-made structures and in every type of woodland or forest throughout their
range. They feed on earthworms, vegetation, snails, fruits, and insects.
American Robins are evenly distributed worldwide. According to the continental
concern score, the Red Robin is estimated to have a rate of 5 out of 20 ("American
Robin Description").
Double Crested Cormorant
(Cormorants)
This bird can easily be
described as a fishing bird characterized by yellow-orange facial skin and
brown-black feathers. They’re generalist and opportunistic feeders since they
prey on various species of birds that are easy to catch. They are the most
widespread species of cormorants in North America and are inclined to fresh
waters (“U.S fish and wildlife Service”).
Wood Stork (Stork)
This tall and large bodied
wading bird is widespread in the southeastern swamps and is the only stork
breeding in America. It’s a wetland specialist that feeds on fish in shallow
waters. They are less uniformly distributed in North than South America. Their
late winter breeding season coincides with the dry season in Florida when fish
are concentrated in the shrinking water masses ("Wood
Stork").
Great Blue Heron (Herons)
Great Blue Herons are common
on open coasts, lakes, river banks, goldfish ponds, grasslands, freshwater and
saltwater habitats. They are generalists in their habitat selection and are
inclined to renest in the same area throughout the year. They mainly feed on
fish and Gophers and are uniformly distributed throughout North America (“Great
Blue Heron”).
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