Tuesday, July 12, 2016

Hybrids: Not Actually a Thing of the Future

After recently seeing an article about how hybrid animals were becoming a result of climate change I was intrigued and read the article. The results shown in the article were overall not too shocking to me. It was found that birds will have the highest chance of hybrid possibilities, not shocking considering most birds can easily move to different geographical locations. Mammals and amphibians had a much lower chance of hybrid possibilities. Considering how hard it would be for many mammals and amphibians to move to a suitable climate and the competition they would face with the native species the results seem plausible.

Looking at the full article I did find surprising things from what I could understand. The graph showing where all the overlapping species would meet and concentration of the overlapping species only depicted the Americas. Species overlapping can't only occur in the Americas so I was curious to why the graphic representation only showed the Americas. Another thing that caught my attention was that all most all of the projected overlapping pairs were in South America and very little in North or Central America. I thought this might be due to the fact that the Amazon Rainforest is in South America, but I'm not completely sure.

Going back to the shortened article I realized that the only hybrid talked about was the grolar bear and decided to do some more research on hybrid animals. My search yielded a plethora of different hybrids including the famous Liger, a combination between a male lion and female tiger. I also found the Tigon, a combination between a male tiger and female lion. This I found interesting because the same two species were bred, but just by switching the gender of the animals being bred changed the outcome. I'm wondering if the gender of the two species breeding plays any role in different hybrids or if the Tigon and Liger are actually the same species of animal. One final thing that caught my attention was the Litigon hybrid, a rare second generation hybrid from a female tigon and male lion. I was curious to know if the Litigon could exist and if it ever has existed and if any hybrids could be bred to make other hybrids. I'm only wondering this because of the fact the mules, a very common hybrid, can't be bred.

1 comment:

  1. First of all, I’m not sure how I didn’t realize that a mule was a hybrid, but that was a cool snippet of information that you threw into your response that was not from the article. Second of all, I completely agree with all the questions you had about location. It is weird that the map only showed the Americas, and it would be interesting to see what the European, African, and Asian maps would look like. Would the southern hemisphere have more possibilities for hybrids in them just as it did in the Americas? Also, my bet is as good as yours as to why there are so many animal hybrid in the South America compared to in North America; the rain forest seems to be a good guess! I remember my teacher telling us about ligers and tigons in sixth grade, but we never went over anything specific as to whether they are the same. I was curious, however, and I looked it up and from my brief readings, I think they have a different genome. I also looked up whether further hybrids could be bred from these two because I thought that was an interesting idea, and the answer, according to good ol’ Wiki, is that it was long thought to be impossible, but in 1943 a tigon was mated with a lion and the baby, although very “delicate,” did grow to adulthood. So yeah, your questions are so interesting that I had to look them up! Cool article and fab thoughts and ideas on it!