Approximate Hatch Weights:
~24-34g at hatching
~680g by 21 days old
~885 by 36 days old
Order: Falconiformes
Family: Falconidae
Common Name: Falcons
Region: Western
Chick Type: Altricial
Down: White down
Skin Color:
Bill: Hooked and gray to black
Foot Type: Anisodactyl
Gape: Pink
Gape Flanges:
Iris: Dark brown
Legs and Feet: Light gray to pale yellow and raptorial feet
>4 weeks
![](https://sites.tufts.edu/babybirds/files/2019/01/prairie.jpg)
Photo by Brenda Varvarigos
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/03/fullsizeoutput_2fd7.jpeg)
Photo by Jen Osburn Eliot, Wildlife Images Rehab Center