Great Black-backed Gull

Notes:

Approximate Hatch Weights:

~80-90g at hatching

~150g by 5 days old

~275g by 10 days old

~400g by 15 days old

~600g by 20 days old

~800g by 25 days old

~850g by 30 days old

~1050g by 35 days old

~1200g by 40 days old


Order: Charadriiformes
Family: Laridae
Common Name: Gulls/Terns/Skimmers
Region: Eastern
Chick Type: Semi-Precocial
Down: Gray down with black markings
Skin Color: Pink
Bill: Long and straight and black with pale tip
Foot Type: Palmate
Gape: Pink
Gape Flanges:
Iris: Dark brown
Legs and Feet: Pink to gray legs and feet

 

>4 Weeks


Photo by Aaron Budgor

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