Approximate Hatch Weights:
~1.3g at hatching
~2g by 1 day old
~10.5g by 10 days old
Order: Passeriformes
Family: Passerellidae
Common Name: New World Sparrows
Region: Broad Range
Chick Type: Altricial
Down: Sparse gray down
Skin Color: Pink
Bill: Short and conical
Foot Type: Anisodactyl
Gape: Red-pink
Gape Flanges: Pale yellow
Iris: Dark brown
Legs and Feet: Pink legs and feet
Video by Connie Black
Video from Tufts Wildlife Clinic
Video by Brenda Varvarigos
Video by Brenda Varvarigos
Egg
![](https://sites.tufts.edu/babybirds/files/2020/07/106923365_10158489555082520_7587689038170578975_o.jpeg)
Photo by Kimberly Bishop
Just Hatched
![](https://sites.tufts.edu/babybirds/files/2024/02/IMG_2630-scaled.jpeg)
Photo by Laura Kintz
1 Day Old
![](https://sites.tufts.edu/babybirds/files/2024/02/IMG_2643.jpeg)
Photo by Laura Kintz
2 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/02/IMG_2661.jpeg)
Photo by Laura Kintz
3 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/02/IMG_2664.jpeg)
Photo by Laura Kintz
4 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/02/IMG_2676-scaled.jpeg)
Photo by Laura Kintz
4 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/02/IMG_2683-scaled.jpeg)
Photo by Laura Kintz
4 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.42.42-AM.jpg)
Photo by Connie Black
4 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.43.56-AM.jpg)
Photo by Connie Black
4 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.44.58-AM.jpg)
Photo by Connie Black
4 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.45.54-AM.jpg)
Photo by Connie Black
4 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.46.48-AM.jpg)
Photo by Connie Black
~1st Week - 5g
![](https://sites.tufts.edu/babybirds/files/2019/06/fullsizeoutput_3d9c.jpeg)
Photo by Ashley Kramer, Tufts Wildlife Clinic
~1st Week - 5g
![](https://sites.tufts.edu/babybirds/files/2019/06/fullsizeoutput_3da0.jpeg)
Photo by Ashley Kramer, Tufts Wildlife Clinic
5 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.47.54-AM.jpg)
Photo by Connie Black
5 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.48.36-AM.jpg)
Photo by Connie Black
5 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.50.26-AM.jpg)
Photo by Connie Black
5 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.51.13-AM.jpg)
Photo by Connie Black
5 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.52.09-AM.jpg)
Photo by Connie Black
5 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/02/IMG_2691.jpeg)
Photo by Laura Kintz
~1st Week - 7g
![](https://sites.tufts.edu/babybirds/files/2019/06/fullsizeoutput_3d99.jpeg)
Photo from Tufts Wildlife Clinic, grid squares = 1 inch
~1st Week - 7g
![](https://sites.tufts.edu/babybirds/files/2019/06/fullsizeoutput_3d97.jpeg)
Photo from Tufts Wildlife Clinic, grid squares = 1 inch
~1st Week - 4.9g
![](https://sites.tufts.edu/babybirds/files/2021/01/48828493067_7268755d7e_o.jpeg)
Photo from Dane County Humane Society's Wildlife Center
~1st Week - 4.9g
![](https://sites.tufts.edu/babybirds/files/2021/01/49415076291_171b00e175_o.jpeg)
Photo from Dane County Humane Society's Wildlife Center
~1st Week - 6g
![](https://sites.tufts.edu/babybirds/files/2020/07/106779800_10158489554947520_213941896205036527_o.jpeg)
Photo by Kimberly Bishop
~1st Week - 6g
![](https://sites.tufts.edu/babybirds/files/2020/07/107393954_10158489554897520_6893492654941298169_o.jpeg)
Photo by Kimberly Bishop
~1st Week - 11g
![](https://sites.tufts.edu/babybirds/files/2020/07/20200502_130537.jpeg)
Photo by Brenda Varvarigos
~1st Week - 11g
![](https://sites.tufts.edu/babybirds/files/2020/07/IMG_4184.jpeg)
Photo by Brenda Varvarigos
6 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.53.02-AM.jpg)
Photo by Connie Black
6 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.53.47-AM.jpg)
Photo by Connie Black
6 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.54.44-AM.jpg)
Photo by Connie Black
6 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/02/IMG_2699.jpeg)
Photo by Laura Kintz
6 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/02/IMG_2702-scaled.jpeg)
Photo by Laura Kintz
~1st Week
![](https://sites.tufts.edu/babybirds/files/2019/06/fullsizeoutput_3b6d.jpeg)
Photo by Maureen Eiger, Help Wild Birds
7 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.55.42-AM.jpg)
Photo by Connie Black
7 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.56.34-AM.jpg)
Photo by Connie Black
~1st Week - 9.5g
![](https://sites.tufts.edu/babybirds/files/2019/08/fullsizeoutput_46a3.jpeg)
Photo by Katie Deline-Ray
~1st Week - 9.5g
![](https://sites.tufts.edu/babybirds/files/2019/08/fullsizeoutput_46a6.jpeg)
Photo by Katie Deline-Ray
~1st Week - 9.5g
![](https://sites.tufts.edu/babybirds/files/2019/08/fullsizeoutput_46a1.jpeg)
Photo by Katie Deline-Ray
~1st Week - 9.5g
![](https://sites.tufts.edu/babybirds/files/2019/08/fullsizeoutput_46ac.jpeg)
Photo by Katie Deline-Ray
~1st Week - 9.5g
![](https://sites.tufts.edu/babybirds/files/2019/08/fullsizeoutput_46a9.jpeg)
Photo by Katie Deline-Ray
7 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/03/IMG_2710-scaled.jpeg)
Photo by Laura Kintz
7 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/03/IMG_2713-scaled.jpeg)
Photo by Laura Kintz
~2nd Week - 12g
![](https://sites.tufts.edu/babybirds/files/2020/07/IMG_4284-scaled.jpeg)
Photo by Brenda Varvarigos
8 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.57.20-AM.jpg)
Photo by Connie Black
8 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.58.12-AM.jpg)
Photo by Connie Black
8 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.59.14-AM.jpg)
Photo by Connie Black
8 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-10.59.57-AM.jpg)
Photo by Connie Black
8 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.01.44-AM.jpg)
Photo by Connie Black
8 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.00.53-AM.jpg)
Photo by Connie Black
8 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.03.13-AM.jpg)
Photo by Connie Black
8 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.04.10-AM.jpg)
Photo by Connie Black
8 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/03/IMG_2766-scaled.jpeg)
Photo by Laura Kintz
8 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/03/IMG_2764.jpeg)
Photo by Laura Kintz
9 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.04.54-AM.jpg)
Photo by Connie Black
9 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.05.35-AM.jpg)
Photo by Connie Black
9 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.06.19-AM.jpg)
Photo by Connie Black
9 Days Old
![](https://sites.tufts.edu/babybirds/files/2024/03/IMG_2799.jpeg)
Photo by Laura Kintz
10 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.07.10-AM.jpg)
Photo by Connie Black
11 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.07.59-AM.jpg)
Photo by Connie Black
11 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.09.05-AM.jpg)
Photo by Connie Black
11 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.09.49-AM.jpg)
Photo by Connie Black
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2018/03/Chipping-Sparrow-Week-4.jpg)
Photo from Tufts Wildlife Clinic
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2018/03/Chipping-Sparrow-Week-4-2.jpg)
Photo by Annie Le, Tufts Wildlife Clinic
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2019/03/fullsizeoutput_2f07.jpeg)
Photo by Jen Osburn Eliot, Wildlife Images Rehab Center
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2019/03/fullsizeoutput_2f08.jpeg)
Photo by Jen Osburn Eliot, Wildlife Images Rehab Center
15 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.11.13-AM.jpg)
Photo by Connie Black
20 Days Old
![](https://sites.tufts.edu/babybirds/files/2018/04/Screen-Shot-2018-03-18-at-11.12.05-AM.jpg)
Photo by Connie Black
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4128.jpeg)
Photo by Andrea Aiuto
~4th Week
![](https://sites.tufts.edu/babybirds/files/2019/07/fullsizeoutput_4125.jpeg)
Photo by Andrea Aiuto