Approximate Hatch Weights:
~28g at hatching
Males ~310g by 23 days old
Females ~475g by 28 days old
Order: Accipitriformes
Family: Accipitridae
Common Name: Hawks/Eagles/Kites
Region: Broad Range
Chick Type: Altricial
Down: White down
Skin Color:
Bill: Hooked and black
Foot Type: Anisodactyl
Gape: Pink
Gape Flanges: Yellow
Iris: Gray
Legs and Feet: Pale yellow and raptorial feet
~1st Week - avg 38g
![](https://sites.tufts.edu/babybirds/files/2020/06/FullSizeRender.jpeg)
Photo by Erin Hutchings
~1st Week - avg 38g
![](https://sites.tufts.edu/babybirds/files/2020/06/IMG_6187.jpeg)
Photo by Erin Hutchings
~1st Week - avg 38g
![](https://sites.tufts.edu/babybirds/files/2020/06/FullSizeRender-1.jpeg)
Photo by Erin Hutchings
~1st Week - avg 38g
![](https://sites.tufts.edu/babybirds/files/2020/06/FullSizeRender-3.jpeg)
Photo by Erin Hutchings
~1st Week - avg 38g
![](https://sites.tufts.edu/babybirds/files/2020/06/FullSizeRender-2-scaled.jpeg)
Photo by Erin Hutchings
~1st Week
![](https://sites.tufts.edu/babybirds/files/2019/01/fullsizeoutput_2a8c.jpeg)
Photo by Dane County Humane Society's Wildlife Center
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2018/04/COHA-_1st-week.jpg)
Photo by Jessica Zorge
~2nd Week - 147g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4135.jpeg)
Photo by Carrie Laxson
~2nd Week - 202g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_40a5.jpeg)
Photo by Jessica Zorge
~2nd Week - 202g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_40a7.jpeg)
Photo by Jessica Zorge
~2nd Week - 202g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_40aa.jpeg)
Photo by Jessica Zorge
~2nd Week - 256g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4896.jpg)
Photo from Tufts Wildlife Clinic
~2nd Week - 256g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4898.jpg)
Photo from Tufts Wildlife Clinic
~2nd Week - 256g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4899.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week - 344g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_5006.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week - 344g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_5017.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week - 238g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4133.jpeg)
Photo by Carrie Laxson
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2020/10/Rec-5743-COHA-chicks-27-Jun-2017-MH-DSCN0033.jpeg)
Photo by Mark Holmgren
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2018/07/IMG_0962.jpg)
Photo by Ashley Damm
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2021/06/195580980_3747708678674903_4801547048807919966_n-scaled.jpeg)
Photo by Maureen Eiger, Help Wild Birds
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2021/06/198463377_388260692562066_4517939818926445531_n.jpeg)
Photo by Maureen Eiger, Help Wild Birds
~3rd Week - 348g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_5035.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week - 278g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4782.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week - 278g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4785.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week - 278g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4791.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week - 278g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4792.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week - 278g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_0462.jpg)
Photo by Stevi Kincade, Tufts Wildlife Clinic
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/01/fullsizeoutput_2a8d.jpeg)
Photo by Dane County Humane Society's Wildlife Center
~3rd Week - 392g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4728.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/01/fullsizeoutput_2a8f.jpeg)
Photo by Dane County Humane Society's Wildlife Center
~3rd Week - 306g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4907.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2018/04/COHA-_3rd-week.jpg)
Photo Selimah Harmon, Tufts Wildlife Clinic
~3rd Week - 282g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4243.jpeg)
Photo by Carrie Laxson
~3rd Week - 282g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4245.jpeg)
Photo by Carrie Laxson
~3rd Week - 350g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4946.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week - 350g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4948.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week - 350g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_4974.jpg)
Photo from Tufts Wildlife Clinic
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/06/fullsizeoutput_3f3c.jpeg)
Photo by Kylee Schooley, The Wildlife Center of Virginia
~4th Week - 368g
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_5054.jpg)
Photo from Tufts Wildlife Clinic
~4th Week - 312g
![](https://sites.tufts.edu/babybirds/files/2019/08/2tpTCr8hToiKHXFxQwo46A_thumb_551e.jpg)
Photo by Carrie Laxson
~4th Week - 312g
![](https://sites.tufts.edu/babybirds/files/2019/08/p6VaiagzSIq5GLssS3Tkcg_thumb_551f.jpg)
Photo by Carrie Laxson
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2020/03/juvenile-Coopers-Hawk-scaled.jpeg)
Photo by Aaron Budgor