Continuing to share my warbler photos along with information about each species, from my latest book: "Warblers of Arizona, A Guide to Finding and Photographing Warblers in Southern Arizona."
If you are interested in purchasing it, please email me at exclusivelywildlifephotos.com or info@azuregate.com.
Black Throated Gray Warbler
Common Name: Black Throated Gray Warbler
Scientific Name: Setophaga nigrescens
Conservation Status: Least Concern with an estimated population of about 2.4 million down by nearly 50% since 1966
Size: 5.1 inches
Description: crown is black; supercilium is white; no eyering; yellow spot above lores; dark black cheek; short straight bill; black throat in male; two white wing bars; breast and belly are white; flanks have black stripes; nape and back gray; tail is long with white undertail
Male/Female: males and females appear somewhat similar though males have a black throat and are generally darker with higher contrast
Range: Southeast British Columbia to Southern Mexico; rare east of New Mexico/Colorado
Migration: yes, though considered short distance; breeding mainly in Western United States
Season for Arizona: year round resident though higher numbers from March until November
Habitat: pinyon and juniper forests, pine-oak woodland mountains; winter residents remain in lower elevations
Community Behavior: solitary or in mixed warbler flock
Feeding Behavior: forages by gleaning in low growing foliage and searching among leaves on the ground; will also sally out to snatch flying insects
Diet: Insects, oakworms and caterpillars, beetles, ants, flies, bugs, and spiders
Nesting Behavior: open cup nest on large branch near tree trunk often fir or oak; usually 4 creamy white eggs with brown marks; incubation and nestling periods unknown
Where to Find in Southern Arizona: most mountain ranges from low to high elevation even 8000 feet; also rivers like San Pedro and Santa Cruz
Comments: Is often found among small warbler/titmouse flocks; known to pretend to have a broken wing to distract intruders from its nest
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