Outdoor Ontario

Discussion => Behaviour => Topic started by: Paul O'Toole on May 21, 2014, 07:44:55 PM

Title: Robin Nest and Eggs
Post by: Paul O'Toole on May 21, 2014, 07:44:55 PM

A robin has built a nest in a small fir tree just out front of my house. About a week ago their were 4 eggs and the robin was actively sitting on them. Had a peak today and there are only 2 eggs not hatched yet and the robin is still sitting on them. Would the robin have removed the other 2, 4 eggs seems like a lot for a robing pair to raise. Just curious if birds do this on their own.

Title: Re: Robin Nest and Eggs
Post by: thouc on May 21, 2014, 08:02:34 PM

It is normal for Robins to lay 4 eggs. Only reason I could think of for removing eggs themselves would be if the egg is not viable or is a Cowbird egg. Predation is probably a more likely cause.

Title: Re: Robin Nest and Eggs
Post by: Paul O'Toole on May 22, 2014, 06:08:05 AM

Thanks for the feedback, appreciate it.