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blackthroated green warbler (Dendroica virens)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONFIRMATION STATUS: Confirmed.

 

IDENTIFICATION:

  • Length: 4.25 inches

  • small, active, insect-eating bird

  • Thin, pointed bill

  • Yellow face

  • Olive crown and back

  • Indistinct greenish cheeks

  • Underparts pale with yellowish tinge and black streaks on sides

  • White wing bars

  • Dark legs

Adult male:

  • Black throat and upper breast

  • In fall, throat and upper breast feathers are edged with yellow

Female and immature:

  • Plumage similar to male

  • Throat pale, sometimes with black spots

  • Breast smudged with black

Similar species:

The male black-throated green warbler is distinctive with its black
throat, yellow face, and olive crown. Within most of its eastern United
States range, it is unlikely to be confused with any other species. Males
of other western species are somewhat similar: hermit warbler has a
yellow crown, golden-cheeked warbler has a black crown and eyeline,
Townsend's warbler has black cheeks. In fall, the yellow face of the
black-throated green barely contrasts with the greener crown and
cheeks. Blackburnian warbler has a darker crown and cheeks and
white streaks on the back. Townsend's warbler also has darker cheeks.
Hermit warbler has a more uniformly yellow head and less streaking
on the sides.

 

LIFE HISTORY

Migration Status: Neotropical migrant
Breeding Habitat: Woodland
Nest Location: Mid-story/canopy nesting
Nest Type: Open-cup
Clutch Size: 4-5
Length of Incubation: 12 days
Days to Fledge: 8-10
Number of Broods: ?
Diet: Primarily insects

 

SKY MEADOWS DISTRIBUTION/SEASONAL OCCURRENCE

 

Relative abundance and seasonal occurrence are indicated in red below.

 

Relative abundance
     C - Common: Likely to be present in good numbers in appropriate habitat and season.
     U - Uncommon: May be present in appropriate habitat and season, often in low
            numbers.
     O - Occassional: Found in appropriate habitat perhaps only a few times per season,
            sometimes low numbers.
     R - Rare: May not be recorded every year.
     Acc - Accidental: Recorded once or twice, may not be expected again for a long time.

 

Seasonal Occurrence
      Sp - Spring: March, April, May
U
      Su - Summer: June, July, August
      Fall: September, October, November
C

      Winter: December, January, February

 

 

Back to Inventory of Bird Families and Species

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