"I am NOT sure about states like Nevada and kalifornicationkopia as to when their Ground Squirrels "appear"? Maybe they are up all year in some latitudes?"
I believe California has Beechey Ground Squirrels. Ground squirrels are pretty much around all year here in California at 1000 ft. They have funny habits. They come out late in the morning, take a siesta when it's hot in the afternoon, stay under when it's cold. I shot about 600 last year according to my spent 223 cases. After all the rain this winter, they're a bit hard to see this year. I've noticed quite a few young ones running around.
It's interesting to me that they have some resistance to rattlesnake venom and have some tricks to fool the snakes. Theirs a pretty good article on Wikipedia on California Ground Squirrels if interested.
