No! After the dinosaurs died out, nearly 65 million years passed before people appeared on Earth. However, small mammals (including shrew-sized primates) were alive at the time of the dinosaurs.
Under normal conditions, humans are unlikely to be infected with West Nile Virus by handling a sick or dead animal. However, there are a number of other infections that could potentially result from handling an animal.
"Animal Feeding Operations: Effects on Hydrologic Resources and the Environment" highlights many potential effects of animal feeding operations (AFOs) that were discussed at a meeting co-sponsored by the USG
Approximately 700 species have been named. However, a recent scientific review suggests that only about half of these are based on fairly complete specimens that can be shown to be unique and separate species.
I am a wildlife biologist/birdbander/rehabilitator and handle live birds on a regular basis. Should I be concerned about exposure to West Nile Virus?
Bird-to-human transmission of West Nile Virus is extremely rare and is only possible through contact with blood or other tissues of infected animals.
I am interested in learning how to estimate animal populations. What methods are used, and how do scientists go about doing this?
Figuring out ways to estimate animal population sizes and their trends involves a lot of research time at the USGS Patuxent Wildlife Research Center.
There have been many reports of new mammalian species infected with West Nile Virus (WNV) this season, such as goats, reindeer, a wolf, and dogs. Has the virus changed?
It is possible that there may have been a mutation in the virus that is causing a higher number of species to be affected this year. There is currently no evidence of significant mutation in the U.S.
Imperiled Species is a general term used to identify species and populations of animals and plants that are in decline and may be in danger of extinction.
Chronic wasting disease (CWD) is an always-fatal, neurological illness occurring in North American cervids (members of the deer family), including white-tailed deer, mu
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