Sex can be determined by wing lining color – males have pink and females have yellow
Approximate Hatch Weights:
~4.5g at hatching
~25g by 7 days old
~26g by 8 days old
~27.5g by 9 days old
Order: Passeriformes
Family: Cardinalidae
Common Name: Cardinals/Allies
Region: Eastern
Chick Type: Altricial
Down: Sparse white down
Skin Color: Orange
Bill: Short and conical
Foot Type: Anisodactyl
Gape: Red-pink
Gape Flanges: Yellow
Iris: Dark brown
Legs and Feet: Pink to gray legs and feet
Video by Brenda Varvarigos
Video by Brenda Varvarigos
~1st Week
![](https://sites.tufts.edu/babybirds/files/2019/11/fullsizeoutput_4acf.jpeg)
Photo by Michael Akresh
~2nd Week - 28g
![](https://sites.tufts.edu/babybirds/files/2021/07/194170344_10220603760792937_8824054370576579875_n.jpeg)
Photo by Tanya Procknow
~2nd Week - 28g
![](https://sites.tufts.edu/babybirds/files/2021/07/192738439_10220603760872939_5930968201263118234_n.jpeg)
Photo by Tanya Procknow
~2nd Week - 26g
![](https://sites.tufts.edu/babybirds/files/2020/06/105952433_10157890190798702_7405461762195903390_n.jpeg)
Photo by Jenni Boonjakuakul
~2nd Week - 26g
![](https://sites.tufts.edu/babybirds/files/2020/06/105388616_10157890190868702_7177282475000662011_n.jpeg)
Photo by Jenni Boonjakuakul
~2nd Week - 26g
![](https://sites.tufts.edu/babybirds/files/2020/06/105568298_10157890191033702_2797237461738121779_n.jpeg)
Photo by Jenni Boonjakuakul
~2nd Week - 26g
![](https://sites.tufts.edu/babybirds/files/2020/06/105970848_10157890191188702_8151452763618918291_n.jpeg)
Photo by Jenni Boonjakuakul
~2nd Week - 25g
![](https://sites.tufts.edu/babybirds/files/2020/11/123175050_2488522261441014_6144819428794732315_o.jpg)
Photo by Connie Black
~2nd Week - 25g
![](https://sites.tufts.edu/babybirds/files/2020/11/123342785_2488522098107697_101335881271561453_o.jpg)
Photo by Connie Black
~2nd Week - avg 25g
![](https://sites.tufts.edu/babybirds/files/2020/11/123575617_2488522308107676_6651826189986859102_o.jpg)
Photo by Connie Black
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2020/12/48316792701_efd0a8d25b_o.jpeg)
Photo from Dane County Humane Society's Wildlife Center
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2020/12/48360614581_f24c878710_o.jpeg)
Photo from Dane County Humane Society's Wildlife Center
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_2313.jpg)
Photo by Brenda Varvarigos
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_2314.jpg)
Photo by Brenda Varvarigos
~2nd Week - 27g
![](https://sites.tufts.edu/babybirds/files/2020/11/123347335_2488522234774350_9192322286627045077_o.jpg)
Photo by Connie Black
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_2371.jpg)
Photo by Brenda Varvarigos
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_2394.jpg)
Photo by Brenda Varvarigos
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2018/06/IMG_2379.jpg)
Photo by Brenda Varvarigos
~4th Week - 35g
![](https://sites.tufts.edu/babybirds/files/2020/11/123247834_2488522814774292_9014063493618901185_o.jpg)
Photo by Connie Black
~4th Week - 32g, and >4 Weeks - 38g
![](https://sites.tufts.edu/babybirds/files/2020/11/123436410_2488522731440967_9117550408306829514_o.jpg)
Photo by Connie Black
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2018/07/IMG_2647.jpg)
Photo by Brenda Varvarigos
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2018/07/IMG_2650.jpg)
Photo by Brenda Varvarigos
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2018/07/IMG_2635.jpg)
Photo by Brenda Varvarigos
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2018/07/IMG_2637.jpg)
Photo by Brenda Varvarigos
>4 weeks
![](https://sites.tufts.edu/babybirds/files/2018/07/IMG_2715.jpg)
Photo by Brenda Varvarigos
>4 weeks
![](https://sites.tufts.edu/babybirds/files/2018/07/IMG_2720.jpg)
Photo by Brenda Varvarigos
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/08/fullsizeoutput_45cf.jpeg)
Photo by Connie Black
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/08/fullsizeoutput_45d2.jpeg)
Photo by Connie Black