SCIENTIFIC NAME: Baeolophus Atricristatus
Males have gray, slightly tinged olive upperparts and upperwing-coverts. The rump is olive-brown. The tail is darker, brownish-gray, with outer rectrices broadly edged olive-gray.
Flight feathers are brownish-gray, and finely edged pale gray except the outer primaries. Underparts are whitish, and upper breast is washed pale grey.
Flanks are orange-buff to cinnamon and undertail-coverts are tinged buffish.
Females are very similar to the males but have duller and paler crown and crest. Crest is usually shorter than males.
Juveniles have grayish-white forehead, grayer crown and shorter crest, browner upperparts and washed dull buff underparts.
BILL: black, stubby round bill.
SIZE: measures about 5.9 inches in length, with a wingspan of 9.1 - 9.8 inches.
WEIGHT: weighs about 15.2 - 18.4 grams.
COLOR: gray, olive, olive-brown, olive-gray, brownish-gray, orange-buff, cinnamon, buff, black and white.
Insects and seeds.
Forest, woodland, oak-juniper scrub, mesquite, thorn scrub, riparian woodland, and in towns.
Southern Texas and Northeastern Mexico.
CALL: A scratchy, chickadee-like "tsee-day- day-day." Also fussy scolding notes. Sharper and more nasal than Tufted Titmouse.
SONG: A loud, whistled "peew, peew, peew, peew."
NEST: The female builds a nest within a hole or cavity with moss, grass, lichens, leaves, bark strips, feathers and animal hair.
EGGS: 6 - 7 white or pinkish-white eggs.
INCUBATION: 13 - 14 days, female only.
They glean insects from bark and foliage. They hang upside down to reach insects and hold their food under their feet to peck it.
SOURCES:
https://www.birds-of-north-america.net
https://en.wikipedia.org
https://www.allaboutbirds.org
http://www.oiseaux-birds.com