World Bird List

Species factsheet
Black-crested Titmouse (Baeolophus atricristatus)

Order: Baeolophus atricristatus
Family: Tits, Chickadees (Paridae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
paloduro n Texas and sw Oklahoma, sw Texas (s USA) and n Mexico
sennetti c and s Texas (s USA)
atricristatus Rio Grand Valley (s Texas, USA) and ne Mexico