The Question: We have a bird nest in our backyard that was made by a cardinal. Recently, we noticed that a robin seems to be hovering around the cardinals’ nest. The cardinals seem upset by this, and seem to work as a team to keep the robin at bay. Can you explain what is going on?
The Question: What kind of animal builds a 3-4 inches (8-10 cm) high mound of mud balls with a 1 inch (2.5 cm) hole in the top? They look like mini volcanoes. I have found a couple of these in a swampy area near a river. I live in Michigan.
The Question: Why don’t the feet of a duck (seagull, goose, or other winter bird) freeze when they spend the night apparently sleeping on ice in sub-zero temperatures? Also, do you know if they stand on one foot and then the other going back and forth as a strategy to help with this?
The Question: “Are snakes useful to humans? And what role do they play in nature?
Submitted by: John L., Texas (John found three beautiful rat snakes when he lifted a tarp on some stored wood. When he posted his photos on FaceBook with enthusiasm, he was shocked that so many people responded by saying, “Kill them!!” Thanks to John for the picture printed below.)