House Sparrow |

House Sparrow

Notes:

Invasive (federal regulations do not apply)

Approximate Hatch Weights:

~2-13g as hatchling

~14-20g as nestling

~27g at adult weight

Order: Passeriformes
Family: Passeridae
Common Name: Old World Sparrows
Region: Broad Range
Chick Type: Altricial
Down: Naked
Skin Color: Pink
Bill: Short and conical
Foot Type: Anisodactyl
Gape: Red-pink
Gape Flanges: Pale yellow
Iris: Dark brown
Legs and Feet: Pink legs and feet

Video from Tufts Wildlife Clinic

Egg

Photo Erin Casper, Alberta Institute for Wildlife Conservation

Egg

Photo by Brenda Varvarigos

Just Hatched

Photo by Nikki Becich, Avian Conservation Center of Appalachia

Just Hatched - 2g

Photo by Brenda Varvarigos

Just Hatched - 2g

Photo from Tufts Wildlife Clinic, grid squares = 1 inch

Just Hatched - 2g

Photo Erin Casper, Alberta Institute for Wildlife Conservation

Just Hatched - 2g

Photo Erin Casper, Alberta Institute for Wildlife Conservation

~1st Week

Photo from Tufts Wildlife Clinic

~1st Week - 13g

Photo from Tufts Wildlife Clinic, grid squares = 1 inch

~1st Week

Photo by Jen Osburn Eliot, Wildlife Images Rehab Center

~1st Week

Photo by Jen Osburn Eliot, Wildlife Images Rehab Center

~1st Week

Photo by Jen Osburn Eliot, Wildlife Images Rehab Center

~1st Week

Photo by Nikki Becich, Avian Conservation Center of Appalachia

~1st Week

Photo by Nikki Becich, Avian Conservation Center of Appalachia

~1st Week

Photo by Nikki Becich, Avian Conservation Center of Appalachia

~1st Week

Photo by Nikki Becich, Avian Conservation Center of Appalachia

~1st Week

Photo by Nikki Becich, Avian Conservation Center of Appalachia

~1st Week

Photo by Dane County Humane Society's Wildlife Center

~1st Week - 11g

Photo from the Santa Barbara Wildlife Care Network, ruler in centimeters

~1st Week - 11g

Photo from the Santa Barbara Wildlife Care Network, ruler in centimeters

~1st Week - 11g

Photo from the Santa Barbara Wildlife Care Network, ruler in centimeters

~1st Week

Photo from Tufts Wildlife Clinic

~1st Week

Photo by Laura Kintz, WildCare Oklahoma

~1st Week - avg 17.5g

Photo by Elise Wolf, Native Bird Care

~1st Week - avg 17.5g

Photo by Elise Wolf, Native Bird Care

~2nd Week

Photo by Nikki Becich, Avian Conservation Center of Appalachia

~2nd Week

Photo by Nikki Becich, Avian Conservation Center of Appalachia

~2nd Week

Photo by Nikki Becich, Avian Conservation Center of Appalachia

~2nd Week

Photo by Nikki Becich, Avian Conservation Center of Appalachia

~2nd Week

Photo by Nikki Becich, Avian Conservation Center of Appalachia

~2nd Week

Photo by Jessie Zamichow, Santa Barbara Wildlife Care Network

~2nd Week

Photo by Jessie Zamichow, Santa Barbara Wildlife Care Network

~2nd Week

Photo from Tufts Wildlife Clinic

~2nd Week - 20g

Photo from Tufts Wildlife Clinic, grid squares = 1 inch

~2nd Week

Photo by Jen Osburn Eliot, Wildlife Images Rehab Center

~2nd Week

Photo by Jen Osburn Eliot, Wildlife Images Rehab Center

~3rd Week

Photo from Tufts Wildlife Clinic

~3rd Week

Photo by Laura Kintz, WildCare Oklahoma

~3rd Week

Photo by Laura Kintz, WildCare Oklahoma

Posted on March 6, 2018 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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Down

Black and gray down with yellow early on

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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

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Hooked and pink to gray

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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

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Long and straight and pink to black

Long and straight and pink to orange

Long and straight and pink with black tip

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Short and pink to black

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Proportionally small pink to gray legs and feet

Yellowish legs and feet

Yellowish or pink then brown legs and feet

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