Species: Dendroica occidentalis
Hermit Warbler
Species
Show on Lists
Encyclopedia of Puget Sound
See Jackson et al. (1992) for aging criteria.
Classification
Kingdom
Animalia
Phylum
Craniata
Class
Aves
Order
Passeriformes
Family
Parulidae
Genus
Dendroica
NatureServe
Classification
Other Global Common Names
Chipe Cabeza Amarilla - Paruline à tête jaune
Informal Taxonomy
Animals, Vertebrates - Birds - Perching Birds
Formal Taxonomy
Animalia - Craniata - Aves - Passeriformes - Parulidae - Dendroica - Constitutes a superspecies with D. TOWNSENDI, D. VIRENS, and D. CHRYSOPARIA (AOU 1998). A sister species of D. TOWNSENDI and hybridizes with it to a limited extent (Rohwer and Wood 1998, AOU 1998). The hybrid zone between the two species is narrow and moving, with D. TOWNSENDI replacing D. OCCIDENTALIS (Pearson and Manuwal 2000; Rohwer and Wood 1998).
Ecology and Life History
See Jackson et al. (1992) for aging criteria.
Short General Description
A small bird (wood warbler).
Migration
false - true - true - On lower Colorado River Valley, Arizona, transient in late-April to late May, and mid-August to mid-October (Rosenberg et al. 1991). Winter in highlands from central Mexico into Central America to northern Nicaragua; accidental in western Panama, often occurs with Townsend's warbler (DENDROICA TOWNSENDI) (Ehrlich et al. 1988; Stiles and Skutch 1989; Howell and Webb 1995).
Non-migrant
false
Locally Migrant
true
Food Comments
Forages actively in branches of conifers for insects (e.g., beetles, caterpillars, flies, etc.) and spiders. Often forages high in trees, 30-60 meters above ground (Terres 1980). In Sierra-Nevada mixed conifer, foraged 5 to 25 meters above ground (Airola and Barrett 1985), and in Giant Sequoia forest foraged above 10 meters (Kilgore 1971).
Reproduction Comments
Clutch size is 3-5. Nestlings are altricial and downy.
Ecology Comments
Frequently found in association with yellow-rumped warbler (DENDROICA CORONATA).
Length
14
Weight
10
Conservation Status
NatureServe Global Status Rank
G4G5
Global Status Last Reviewed
2001-07-04
Global Status Last Changed
2001-07-04
Other Status
LC - Least concern
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?US.AZ=__&US.CA=S3&US.CO=__&US.NV=S2&US.NM=__&US.OR=S4&US.TX=S3&US.WA=S4" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
CE - 250-20,000 square km (about 100-8000 square miles) - CDE - BREEDING: southwestern Washington south through mountains to southern California and west-central Nevada. Populations fragmented within range (AOU 1983, Pearson 1997). NON-BREEDING: primarily from Durango and southern Nuevo Leon south to Oaxaca, from Chiapas to Guatemala, and southern Honduras to western Nicaragua (Pearson 1997). Rare and/or local in coastal California (from central California south) and in west-central Nicaragua and Costa Rica; accidental to western Panama (AOU 1983, Stiles and Skutch 1989, Pearson 1997). Highest densities in Central Volcanic Belt of Mexico (Howell and Webb 1995). MIGRATION: through Sonora, Chihuahua, San Luis Potosi, and rarely northern Baja California.
Global Range Code
CE
Global Range Description
250-20,000 square km (about 100-8000 square miles)