- Pregnant cows tend to give birth to male offspring about a day later than female offspring.
- Mice and monkeys are commonly used each year for research; it is estimated that hundreds of thousands are used in U.S. research laboratories each year.
- "Zoonoses" are diseases that man can get from animals.
- Animals that are considered to be essential for an effective ecosystem are called "keystone species," including bats, and some plants and primates. The removal of these species would have serious impacts on that environment's health.
- Some of the animals most essential to agriculture, such as cows, goats, and horses -- had been domesticated since as early as 4,000 B.C.
- Scientists have made copies of cow genes in order to make the milk they produce more nutrient-dense.
- Tamed wolves were the first domesticated animals, a process which informed the domestication of other animals later on.
- Although elephants have been used for over 5,000 years in Southeast Asia, they have still never been domesticated.
- West Nile virus, first found in North America in 1999, had spread because of wild birds.
- Przewalski's horse is the only wild horse that is still in existence today.
- Having different types of species in the same area is positive. It helps to stabilize the ecosystem and make it more productive.
- Many scientists argue that animal "tameness" is not one that is passed on from a mother to child. Others hold that some types of animals are more "tameable" than others.
- While mammal fathers have the ability to release a lot of sperm and create many children, it is the mother's decision if she has the resources to actually raise them.
November 30, 2012
A Fair To Remember Facts