Four 7-day-old Savannah sparrows pose for a picture before being placed back in their nest. Within days they will leave the nest to begin preparing for migration. This is part of a long-term study being conducted at Bowdoin Scientific Station on Kent Island, New Brunswick.
![](https://www.uoguelph.ca/research/system/files/Image%208-11-17%20at%202.18%20PM.jpg)