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Wolves infected with parasite become pack leaders

When I read that wolves that had a parasite had a much higher chance of becoming the leader of the wolf pack, I was astounded.  A parasite affected the behavior of a mammal. How could that happen? I found it all rather interesting, and I think you will, too. There is a microscopic organism that can only reproduce in cats, but it can thrive in most mammals.  That parasite is Toxoplasma gondii, and a study of 26 years of wolf data analyzed the blood of 229 wolves and found the disease in some of the wolves. After reviewing all the blood data for 26 years, they ...

SAMUEL: How are deer able to find food?

I know hunting season is drawing to a close, but last week I wrote about deer vision, and one of my readers wrote and asked why I haven’t written about another sense that deer have … their nose. Here is a little bit about a complex subject. Has this ever happened to you when hunting? On a cold November morning a hunter walks to his tree stand before daylight. He sits all day and sees nothing, but he knows there is a big buck in the area so the next morning he goes again. He notes the wind and enters the stand on a different path than the one he took the morning before. He sits ...