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Archive for the ‘animal behavior’ Category

Non-native wild horses are overly abundant in many western states, including California. Their presence has a negative impact upon the habitat of many native species including mule deer.

Another species is now present in California that may also have a negative impact upon mule deer. Concerned about predation by gray wolves, I asked a biologist friend if he thought gray wolves would impact the California mule deer population.

His response may have been only half serious, but he said the wild horses might have more to worry about than the deer.

In an effort to do some research and establish parameters for continuation of this discussion, I conducted an internet search for more information. I searched for “Wolves and wild horses” on Goggle Search.

This was my answer: http://www.youtube.com/watch?v=2b2ZMwxMsXM

Not satisfied with this answer, I modified my search and came up with information provided in the following link. I believe the second link is  more accurate and realistic: http://washparkprophet.blogspot.com/2007/09/lions-wolves-and-horses.html

For each horse that feeds a wolf, we’ll probably gain about ten mule deer. Wolves or horses? It’s a close call.

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While visiting at Discovery Bay, we noticed a pair of bass near shore, beside my brother-in-law’s deck. We stood about fifteen feet above the bass and watched as they spawned. The male is the smaller of the two fish. We guessed his size at about three and a half pounds. The female was much larger. The male manuvered around the female, nudging her and occasionally getting her on her side, which produced a better view.

The males was quite active.

With my photo program, I adjusted the photos and the fish are easier to see.

The larger female was also more colorful.

You can see that the rocks behind the fish are cleared of growth. The area forms the nest where the eggs are laid. The fish will defend the nest. It will be interesting to watch to see how things progress over the next couple weeks.

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During the BC hunt, I was able to video bucks chasing does on two occasions. Watch these videos and you’ll see for your own eyes that whitetail bucks are more aggressive breeders.

The first clip is a good-sized muley buck and the second clip a smaller whitetail buck. These deer were filmed within a mile of each other.

http://www.youtube.com/watch?v=sOh8hv9pTUg

http://www.youtube.com/watch?v=gMFgIa9lRb8

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