- Baeolophus wollweberi
Identification
Length 11.5-13.5 cm, weight 9-12 g
- Grey upperparts
- White underparts
- White face with black stripe
- Grey crest
- Black throat
- Short stout bill
Similar species
Within its range, most like Mountain Chickadee, which overlaps in a small area of central Arizona.
A striking example of convergent evolution can be found in Crested Tit (from Europe), which differs only in the more extensive black freckling on the face.
Distribution
North America, in Arizona, New Mexico in the USA, and widespread in Mexico.
Taxonomy
Subspecies
There are 4 subspecies[1]:
- B. w. vandevenderi:
- Oak-juniper forests of Arizona and New Mexico
- B. w. phillipsi:
- B. w. wollweberi:
- Central and southern highlands of Mexico (Durango to Nuevo León)
- B. w. caliginosus:
- Western Mexico (Sierra Madre del Sur of Guerrero and Oaxaca)
A fifth subspecies annexus, is generally considered invalid[2].
Habitat
Mixed oak, pine and juniper woods, in forested mountains; most often observered at altitudes of 1,000-3,000 meters, but sometimes as low as 560 meters in Oaxaca. More rarely, in riparian willow and other scrub on desert fringes, particularly in winter.
Behaviour
Breeding
They nest in a hole in a tree, lining the nest with soft materials.
Diet
The diet includes caterpillars, seeds, nuts and berries.
Vocalisation
Song: whistled pidi-pidi-pidi-pidi.
References
- Clements, JF. 2009. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2009. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
- Avibase
- Wikipedia
- BF Member observations
Recommended Citation
- BirdForum Opus contributors. (2024) Bridled Titmouse. In: BirdForum, the forum for wild birds and birding. Retrieved 26 December 2024 from https://www.birdforum.net/opus/Bridled_Titmouse
External Links
GSearch checked for 2020 platform.1
