Great Gray Owl |

Great Gray Owl

Notes:

Approximate Hatch Weights:

~36-39g at hatching

~360-755g at fledging

Order: Strigiformes
Family: Strigidae
Common Name: Owls
Region: Broad Range
Chick Type: Altricial
Down: Gray down
Skin Color: Pink
Bill: Hooked and pink to pale yellow
Foot Type: Semi-zygodactyl
Gape: Pink
Gape Flanges:
Iris: Yellow
Legs and Feet: Feathered legs and raptorial feet

~1st Week

Photo by Peter Thiemann

~1st Week

Photo by Peter Thiemann

~2nd Week

Photo by Peter Thiemann

~2nd Week

Photo by Peter Thiemann

~2nd Week

Photo by Peter Thiemann

~2nd Week

Photo by Peter Thiemann

~2nd Week

Photo by Peter Thiemann

~3rd Week

Photo by Peter Thiemann

~3rd Week

Photo by Peter Thiemann

~3rd Week

Photo by Peter Thiemann

~3rd Week

Photo by Peter Thiemann

~3rd Week

Photo by Peter Thiemann

~3rd Week

Photo by Peter Thiemann

~3rd Week

Photo by Peter Thiemann

~3rd Week

Photo by Peter Thiemann

~3rd Week

Photo by Peter Thiemann

~3rd Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

~4th Week

Photo by Peter Thiemann

>4 Weeks

Photo by Peter Thiemann

>4 Weeks

Photo by Peter Thiemann

>4 Weeks

Photo by Peter Thiemann

Posted on April 2, 2019 by Avery L. Berkowitz. Bookmark the permalink.

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Site created and maintained by Avery Berkowitz and David Grogan.

This site is made possible by the generous photo contributions of many individuals across the United States and Canada. It aims to support collaboration between those working with wildlife to accurately identify baby birds in order to provide them the best possible care.

To contribute photos to further build and expand this database, please email avery.berkowitz1@gmail.com.

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Chick Type

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Down

Black and gray down with yellow early on

Black down

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Brown and yellow down then gray down

Brown and yellow down with brown stripe behind eye

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Yellow then pink and black

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Bill

Black distally and red to orange proximally

Broad and black

Broad and black with pink then yellow

Broad and gray to black

Broad and gray to black with pale tip

Broad and gray to pink

Broad and gray with pink to yellow

Broad and pink with gray base

Curved slightly downward and gray

Hooked and black

Hooked and blue-gray with darker tip

Hooked and gray to black

Hooked and gray to yellow-green

Hooked and gray with yellow tip

Hooked and off-white

Hooked and pink to gray

Hooked and pink to gray with pale tip

Hooked and pink to pale yellow

Long and brown to black with slight downward curve

Long and conical and pinkish to grayish

Long and gray to brown with downward curve

Long and straight and black

Long and straight and black with pale tip

Long and straight and gray to orange

Long and straight and grayish then yellow with black

Long and straight and orange to pink with dark tip

Long and straight and orange-yellow then black

Long and straight and pink then gray

Long and straight and pink to black

Long and straight and pink to orange

Long and straight and pink with black tip

Long and straight and pinkish with black band

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Proportionally small pink to gray legs and feet

Yellowish legs and feet

Yellowish or pink then brown legs and feet

Yellowish to black legs and feet

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