Approximate Hatch Weights:
~200-216g by 16 days old
Order: Charadriiformes
Family: Alcidae
Common Name: Auks/Murres/Puffins
Region: Broad Range
Chick Type: Semi-Precocial
Down: Gray down
Skin Color:
Bill: Long and straight and black
Foot Type: Palmate
Gape: Pink
Gape Flanges: None
Iris: Dark brown
Legs and Feet: Dark gray legs and feet
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2021/05/COMUchicks-7-of-9.jpeg)
Photo by Marie Travers
~4th Week
![](https://sites.tufts.edu/babybirds/files/2021/05/COMUchicks-6-of-9-scaled.jpeg)
Photo by Marie Travers
~4th Week
![](https://sites.tufts.edu/babybirds/files/2021/05/COMUchicks-3-of-9.jpeg)
Photo by Marie Travers
~4th Week
![](https://sites.tufts.edu/babybirds/files/2021/05/COMUchicks-4-of-9.jpeg)
Photo by Marie Travers
~4th Week
![](https://sites.tufts.edu/babybirds/files/2021/05/COMUchicks-2-of-9.jpeg)
Photo by Marie Travers
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/09/fullsizeoutput_48a8.jpeg)
Photo by Avery Berkowitz
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/09/fullsizeoutput_48ac.jpeg)
Photo by Avery Berkowitz
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/09/fullsizeoutput_48ad.jpeg)
Photo by Avery Berkowitz
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/09/fullsizeoutput_48a7.jpeg)
Photo by Avery Berkowitz
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2021/05/COMUchicks-5-of-9.jpeg)
Photo by Marie Travers
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2021/05/COMUchicks-9-of-9.jpeg)
Photo by Marie Travers
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2021/05/COMUchicks-1-of-9.jpeg)
Photo by Marie Travers