Approximate Hatch Weights:
~94g at hatching
Order: Gaviiformes
Family: Gaviidae
Common Name: Loons
Region: Broad Range
Chick Type: Precocial
Down: Dark brown to black down with white underside
Skin Color:
Bill: Straight and gray to black
Foot Type: Palmate
Gape:
Gape Flanges:
Iris: Dark brown
Legs and Feet: Gray to black legs and feet
Just Hatched
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34da.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
Just Hatched
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34de.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
Just Hatched
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34dc.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
Just Hatched
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3488.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
1st Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34e4.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
1st Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34e8.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
~1st Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34eb.jpeg)
Photo by Kittie Wilson, Loon Preservation Committee
~1st Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_348a.jpeg)
Photo by Kittie Wilson, Loon Preservation Committee
~1st Week
![](https://sites.tufts.edu/babybirds/files/2018/04/COLO-_1st-week-2.jpg)
Photo by Kittie Wilson, Loon Preservation Committee
~1st Week
![](https://sites.tufts.edu/babybirds/files/2019/01/Screen-Shot-2017-08-29-at-10.11.18-AM.jpg)
Photo by Kittie Wilson, Loon Preservation Committee
~1st Week
![](https://sites.tufts.edu/babybirds/files/2019/01/Common-Loon-with-2-chicks-Wachusett-Res-by-Emily-Eaton-3.jpg)
Photo by Emily Eaton
~1st Week
![](https://sites.tufts.edu/babybirds/files/2019/01/HC-pair-with-2-chicks-a-6-25-18.jpg)
Photo by Emily Eaton
~1st Week
![](https://sites.tufts.edu/babybirds/files/2019/01/HC-1-adult-1-chick-c-6-25-18.jpg)
Photo by Emily Eaton
~1st Week
![](https://sites.tufts.edu/babybirds/files/2019/01/HC-1-adult-2-chick-a-6-25-18.jpg)
Photo by Emily Eaton
~2nd Week
![](https://sites.tufts.edu/babybirds/files/2018/04/COLO-_1st-week.jpg)
Photo by Kittie Wilson, Loon Preservation Committee
3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_348f.jpeg)
Photo by Kittie Wilson, Loon Preservation Committee
3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_348d.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_348e.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3490.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/01/Screen-Shot-2017-08-29-at-10.12.47-AM.jpg)
Photo by Kittie Wilson, Loon Preservation Committee
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2018/04/COLO-_2nd-week.jpg)
Photo by Kittie Wilson, Loon Preservation Committee
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2018/04/COLO-_3rd-week.jpg)
Photo by Kittie Wilson, Loon Preservation Committee
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/12/fullsizeoutput_4d80.jpeg)
Photo by Laura Kintz
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/12/fullsizeoutput_4d83.jpeg)
Photo by Laura Kintz
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/12/fullsizeoutput_4d86.jpeg)
Photo by Laura Kintz
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/12/fullsizeoutput_4d8a.jpeg)
Photo by Laura Kintz
~3rd Week
![](https://sites.tufts.edu/babybirds/files/2019/12/fullsizeoutput_4d8e.jpeg)
Photo by Laura Kintz
4th Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34f5.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
4th Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34fa.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
4th Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34f7.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
4th Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34fd.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
4th Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3503.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
4th Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34ff.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
4th Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3505.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
4th Week
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3506.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
Common Loon >4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3499.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_350a.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_349e.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3498.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3510.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34a3.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_349c.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34a2.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3517.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3515.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_349a.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_351d.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3521.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_351e.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3524.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_352c.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3529.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_352e.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3531.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3530.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3532.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3538.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_353a.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3537.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34b4.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3546.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3544.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34b0.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_354f.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_354c.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3552.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3551.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2018/04/COLO-_4th-week-3.jpg)
Photo by Kittie Wilson, Loon Preservation Committee
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3555.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3559.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34c8.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34c6.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34be.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3560.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34c4.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2018/04/COLO-_4th-week.jpg)
Photo by Kittie Wilson, Loon Preservation Committee
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3565.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3567.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3569.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34ba.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34cb.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34c1.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34c0.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_356f.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34c9.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3574.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34d8.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34d1.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34d0.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34cf.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34d6.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34d5.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_357e.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3580.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_34cd.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3583.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/04/fullsizeoutput_3585.jpeg)
Photo by Glori Berry and Terry Heitz, Avian Haven
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2018/04/COLO-_4th-week-2.jpg)
Photo by Kittie Wilson, Loon Preservation Committee
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/01/Screen-Shot-2017-08-29-at-10.14.42-AM.jpg)
Photo by Kittie Wilson, Loon Preservation Committee
>4 Weeks
![](https://sites.tufts.edu/babybirds/files/2019/01/Screen-Shot-2017-08-29-at-10.15.01-AM.jpg)
Photo by Kittie Wilson, Loon Preservation Committee