The genus ''Empidonax'' is a group of small
insect-eating passerine
A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines are distinguished from other orders of birds by t ...
bird
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...
s in the
tyrant flycatcher family, the Tyrannidae. The genus name ''Empidonax'' is from
Ancient Greek
Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic peri ...
''empis'', "
gnat", and ''anax'', "master".
Most of these birds are very similar in
plumage
Plumage ( "feather") is a layer of feathers that covers a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage differ between species and subspecies and may vary with age classes. Within species, ...
: olive on the upper parts with light underparts, eye rings and wing bars. In the
nesting season they may be distinguished by range,
habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
and call; in other situations, particularly on
migration and in winter, it may not be possible to be sure of specific identification.
''Empidonax'' flycatchers often flick their wings and tails rapidly.
Euler's flycatcher, ''Lathrotriccus euleri'' and
gray-breasted flycatcher, ''Lathrotriccus griseipectus'' were formerly placed in ''Empidonax'', but differ anatomically and biochemically and are now placed in the genus ''
Lathrotriccus''.
Species
The genus contains 15 species:
References
External links
Generic Study of Euler's Flycatcher
{{Taxonbar, from=Q989480
Bird genera
Taxa named by Jean Cabanis