warbling vireo (Vireo gilvus)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONFIRMATION STATUS: Confirmed.

 

IDENTIFICATION:

  • Length: 4.75 inches

  • Thick bill with hooked upper mandible

  • Sexes similar

  • Brown eye

  • White supercilium

  • Pale lores

  • Gray or olive-gray head, back, wings, and tail

  • White underparts

  • No wing bars

  • May have pale yellow wash on belly or flanks

  • Blue-gray legs

  • Juvenile may have yellowish flanks or belly in fall and a faint buff             wing bar

Similar species:

The red-eyed vireo complex (red-eyed, black-whiskered, yellow- green)

has an olive-green back color and a contrasting gray crown, a bold white supercilium offset by black stripes above and below, and red eyes as adults. Philadelphia vireo has dark lores and pale yellow throat and breast. All

other vireos have wing bars. Tennessee warbler has similar, though more

olive, plumage, but is smaller and has a thin, pointed bill.

 

LIFE HISTORY

Migration Status: Neotropical migrant
Breeding Habitat: Woodland
Nest Location: Mid-story/canopy nesting
Nest Type: Open-cup
Clutch Size: 3-5
Length of Incubation: 12 days
Days to Fledge: 16
Number of Broods: ?
Diet: Almost exclusively insects; lesser quantities of fruit

 

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
O
      Su - Summer: June, July, August O
      Fall: September, October, November

      Winter: December, January, February

 

 

Back to Inventory of Bird Families and Species

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