Approximate Hatch Weights:
Order: Passeriformes
Family: Sittidae
Common Name: Nuthatches
Region: Broad Range
Chick Type: Altricial
Down: Sparse gray down
Skin Color: Pink
Bill: Straight and yellow to gray
Foot Type: Anisodactyl
Gape: Yellow
Gape Flanges: Pale yellow
Iris: Dark brown
Legs and Feet: Pink to brown legs and feet
Video by Andrea Aiuto
~1st Week
![](https://sites.tufts.edu/babybirds/files/2018/10/12795346_505877516278851_3192555636837468894_n.jpg)
Photo by Maureen Eiger, Help Wild Birds
~1st Week
![](https://sites.tufts.edu/babybirds/files/2018/10/12809630_505650019634934_2359776047383522335_n.jpg)
Photo by Maureen Eiger, Help Wild Birds
~1st Week
![](https://sites.tufts.edu/babybirds/files/2018/10/12802988_505649536301649_6971638721002545523_n.jpg)
Photo by Maureen Eiger, Help Wild Birds
~2nd Week - 12g
![](https://sites.tufts.edu/babybirds/files/2022/05/281157773_10225341246145826_3692713838525637251_n.jpg)
Photo by Ashley Kendall
~2nd Week - 12g
![](https://sites.tufts.edu/babybirds/files/2022/05/281098734_10225341245505810_2827222623021641638_n.jpg)
Photo by Ashley Kendall
~2nd Week - 12g
![](https://sites.tufts.edu/babybirds/files/2022/05/281006945_10225341246465834_2644237077164632393_n.jpg)
Photo by Ashley Kendall
~2nd Week - 16g
![](https://sites.tufts.edu/babybirds/files/2024/01/350922015_283155984152600_5052788864015820077_n-2.jpg)
Photo by Judi Grout
~2nd Week - 16g
![](https://sites.tufts.edu/babybirds/files/2024/01/351146191_278277081338614_7600185211605911739_n-2.jpg)
Photo by Judi Grout
~2nd Week - 16g
![](https://sites.tufts.edu/babybirds/files/2024/01/351458016_248299984468850_704148799385922413_n-2.jpg)
Photo by Judi Grout
~2nd Week - 16g
![](https://sites.tufts.edu/babybirds/files/2024/01/351159736_807951057673321_1227640582276393080_n.jpg)
Photo by Judi Grout
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3615.jpeg)
Photo by Nancy Eilen
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3617.jpeg)
Photo by Nancy Eilen
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2021/06/188034835_10165381144765512_1066652610164484399_n.jpeg)
Photo by Andrea Aiuto
~3rd Week - 20g
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3619.jpeg)
Photo by Nancy Eilen
~3rd Week - 20g
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_361c.jpeg)
Photo by Nancy Eilen
~3rd Week - 20g
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_361f.jpeg)
Photo by Nancy Eilen
~3rd Week - 20g
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3620.jpeg)
Photo by Nancy Eilen
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/02/fullsizeoutput_2abc.jpeg)
Photo by Dane County Humane Society's Wildlife Center
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2018/03/White-breasted-Nuthatch-Week-3.jpg)
Photo by Jessica Zorge
~4th Week - 18g
![](https://sites.tufts.edu/babybirds/files/2020/04/IMG_4539.jpeg)
Photo from Tufts Wildlife Clinic, grid squares = 1 inch
~4th Week - 18g
![](https://sites.tufts.edu/babybirds/files/2020/04/IMG_4542.jpeg)
Photo from Tufts Wildlife Clinic, grid squares = 1 inch
~4th Week
![](https://sites.tufts.edu/babybirds/files/2020/10/Rec-8178-WBHU-29-May-2019-Compton-D.jpeg)
Photo by Dave Compton
~4th Week
![](https://sites.tufts.edu/babybirds/files/2018/03/White-breasted-Nuthatch-Week-4.jpg)
Photo by Travis Beeler, Tufts Wildlife Clinic
~4th Week
![](https://sites.tufts.edu/babybirds/files/2019/04/58933349_2070175896608988_3895716301624049664_o.jpg)
Photo by Connie Black
~4th Week
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4145.jpeg)
Photo by Andrea Aiuto
~4th Week
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4148.jpeg)
Photo by Andrea Aiuto