Gray-backed Tern

Onychoprion lunatus

Order

CHARADRIIFORMES

Family

Gulls, Terns, Skimmers (Laridae)

Code 4

GBAT

Code 6

ONYLUN

ITIS

HEAD

Gray-backed Tern Head Illustration
  • Bill Shape: Dagger
  • Eye Color: Black
  • Head pattern: Eyeline, Capped, Eyebrow
  • Crown Color: Black
  • Forehead Color: White
  • Nape Color: Black
  • Throat Color: White
  • Cere color: No Data

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BODY

Gray-backed Tern Body Illustration
  • Length Range: 35-38 cm (13.8-14.9 in)
  • Weight: 177 g (6.24 oz)
  • Size: Medium (9 - 16 in)
  • Color Primary: White, Gray
  • Underparts: White
  • Upperparts: Gray
  • Back Pattern: Solid
  • Belly Pattern: Solid
  • Breast Pattern: Solid

FLIGHT

Gray-backed Tern Flight Illustration
  • Flight Pattern: Graceful, buoyant flight.
  • Wingspan Range: 74 cm (29 in)
  • Wing Shape: Pointed-Wings
  • Tail shape: Forked Tail
  • Tail Pattern: Solid with white outer tail feathers.
  • Upper Tail: Gray
  • Under Tail: White
  • Leg Color: Black
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Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X