Ash-throated Flycatcher

Myiarchus cinerascens
STANFORD LOCATIONS:

Uncommon migrant and summer resident in wooded areas at the Dish, nesting in natural cavities and old woodpecker holes, usually in oak woodland. Fairly rare during migration, and not known to breed, on main campus.
 
Nest
Location
Nest
Type
Eggs
Mating System
Dev.
Parental Care
Primary &
2ndary Diet
Foraging
Strategy
F
I: 15 DAYS
ALTRICIAL
3 feet - 20 feet
MF
4-5
(3-7)
MONOG
F: 14-16 DAYS
MF
BERRIES
HAWKS
GROUND
GLEAN


BREEDING: Scrub, chaparral, open and riparian woodlands, esp oak and pinon juniper. ? broods.
DISPLAYS: Little geographic variation exists in the basic vocal repertoire of 4 call patterns; repertoire fully developed by time of fledging.
NEST: In natural cavity, old Cactus Wren or woodpecker hole, or often hole in fence post; nest soft, of hair, fur, feathers, grass, occ snakeskin.
EGGS: Creamy, marked with browns, purples, olive. 0.9" (22 mm).
DIET: Includes some small fruit. Occ gleans from bark of branches and trunks.
CONSERVATION: Winters s to n e Costa Rica.
NOTES: May usurp nest holes from small woodpeckers. Will occ defend territory like kingbird against hawks.
ESSAYS: Great Plains Hybrids; Cooperative Breeding; Vocal Development; Natural Selection; Territoriality.
REFERENCES: Lanyon, 1961.

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Except for Stanford Locations, the material in this species treatment is taken, with permission, from The Birder's Handbook (Paul Ehrlich, David Dobkin, & Darryl Wheye, Simon & Schuster, NY. 1988).