parasites
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Common human brain parasite Toxoplasma gondii doesn’t just make rats like cats- It works like this. The protozoan Toxoplasma comes to maturity inside a cat and the cysts are expelled in cat feces. Any cat that lives part of the time outside may be infected. The parasite doesn’t hurt the cat, however. A rat or…
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A tiny nematode spread by biting flies piles on top of habitat decline and predation- Most know that the moose of NW Wyoming are in serious decline. This has not been the first time because early explorers and settlers reported almost no moose. Nevertheless, in the early 1900s the moose population became established and grew…