Photo: Purple martin nestlings cuddle together

644 of 1289

Purple martins typically lay three to six eggs, and the young nestlings usually fledge at around a month in age. On the East Coast of the United States, this species relies heavily on man-made bird houses, and it’s fine to check on the eggs and hatchlings—nest checks can help birdhouse “landlords” prevent problems.

Would you like to see your nature photo featured as the TreeHugger photo of the day? Join the TreeHugger Reader Photo Pool on Flickr and add your pictures to the group!

644 of 1289

More Slideshows