Approximate Hatch Weights:
Order: Passeriformes
Family: Parulidae
Common Name: New World Warblers
Region: Broad Range
Chick Type: Altricial
Down: Dark brown down
Skin Color: Pink
Bill: Short and brown to black
Foot Type: Anisodactyl
Gape: Red
Gape Flanges: Yellow
Iris: Dark brown
Legs and Feet: Gray to brown legs and feet
Video by Grae O’Toole
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2021/11/247309722_947001659501239_8706577908134769229_n.jpg)
Photo by Grae O'Toole
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2021/11/251086738_690711161898613_5917794406953718708_n.jpg)
Photo by Grae O'Toole
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2021/11/249604633_438447264548216_4329340425332082222_n.jpg)
Photo by Grae O'Toole
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2021/11/248376092_4592298920828239_1224718641181084162_n.jpg)
Photo by Grae O'Toole
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2021/11/248559579_1340287476407816_1801329144208165520_n.jpg)
Photo by Grae O'Toole
~4th Week
![](https://sites.tufts.edu/babybirds/files/2018/03/Yellow-rumped-Warbler-Week-4.jpg)
Photo by Britney Hover
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2020/04/juvenile-Yellow-rumped-Warbler-Audubons-4.jpeg)
Photo by Aaron Budgor