
The tyrant flycatchers (Tyrannidae) are a clade of passerine birds which occur throughout North and South America. They are considered the largest family of birds, with more than 400 species. They are the most diverse avian family in every country in the Americas, except for the United States and Canada. As could be expected from a family this lar...
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http://en.wikipedia.org/wiki/Tyrant_flycatcher

any of about 367 species of aggressive, insect-eating New World birds of the family Tyrannidae (order Passeriformes). About one-third of the species ... [2 related articles]
Found on
http://www.britannica.com/eb/a-z/t/100

flycatcher (def. 2).
Found on
https://www.infoplease.com/dictionary/tyrant-flycatcher
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