Approximate Hatch Weights:
~1g at hatching
Order: Passeriformes
Family: Sittidae
Common Name: Nuthatches
Region: Western
Chick Type: Altricial
Down: Sparse gray down
Skin Color: Pink
Bill: Straight and pink to gray
Foot Type: Anisodactyl
Gape: Yellow
Gape Flanges: Pale yellow
Iris: Dark brown
Legs and Feet: Pink to gray legs and feet
Video by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
Video by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~1st Week - 2.9g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_43fb.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~1st Week - 2.9g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_43fe.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~1st Week - 5.5g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4402.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~1st Week - 6.6g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4406.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~1st Week - 6.6g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_440e.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~1st Week - 6.6g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4411.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~1st Week - 6.6g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4415.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~2nd Week - 8.2g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4418.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~2nd Week - 8.2g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_441a.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~2nd Week - 8.2g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_441c.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~2nd Week - 8.2g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_441e.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~2nd Week - 8.2g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4422.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~2nd Week - 8.5g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4425.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~2nd Week - 8.9g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4428.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~2nd Week - 8.9g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_442a.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~2nd Week - 9g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_442d.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~2nd Week - 9g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4430.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4435.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4437.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4439.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_443c.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_443f.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_444a.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~3rd Week - 10.5g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_444d.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~3rd Week - 10.5g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_444e.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~3rd Week - 10.5g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4450.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
~4th Week
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4452.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
>4 Weeks - 11g
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4455.jpeg)
Photo by Kathleen St. Clair-McGee, American Heritage Wildlife Foundation
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2018/05/PYNU-_3rd-week-1.jpg)
Photo by Avery Berkowitz