![Day 5. Still mostly quiet and sleeping. Skin is darkening. Feathers visible under the skin.](http://stay-curious.com/wp-content/uploads/2013/05/babyrobins_2013_day5_01.jpg)
Day 5. Still mostly quiet and sleeping. Skin is darkening. Feathers visible under the skin.
![Closeup #1 of those developing wings/feathers.](http://stay-curious.com/wp-content/uploads/2013/05/babyrobins_2013_day5_02.jpg)
Closeup #1 of those developing wings/feathers.
![Closeup #2 of the wing/feather development.](http://stay-curious.com/wp-content/uploads/2013/05/babyrobins_2013_day5_05.jpg)
Closeup #2 of the wing/feather development.
![Those downy tufts on the top of their heads makes them look like old men!](http://stay-curious.com/wp-content/uploads/2013/05/babyrobins_2013_day5_03.jpg)
Those downy tufts on the top of their heads makes them look like old men!
![No, it's not a buttonhole. It's the eye slit widening. A few more days until they open.](http://stay-curious.com/wp-content/uploads/2013/05/babyrobins_2013_day5_06.jpg)
No, it’s not a buttonhole. It’s the eye slit widening. A few more days until they open.
![All lined up, waiting for food.](http://stay-curious.com/wp-content/uploads/2013/05/babyrobins_2013_day5_04.jpg)
All lined up, waiting for food.