Archive for the ‘Invasive Species’ Category

Mar27

What’s all the talk about mute swans?

Mute Swan

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In the late 1800s, mute swans were brought from Europe to the eastern U.S. to enhance the beauty of ponds on private estates.  Unlike the dark-billed native swans that migrate through our region in the spring and fall, mute swans are easily distinguished by their pinkish-orange bills. They also spend the entire year here.  (more…)

Mar03

A mosquito fever expands its range

Asian Tiger Mosquito

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A mosquito-borne virus that causes fever, headaches, and severe joint pain has spread to the Caribbean. Experts fear it’s only a matter of time before it makes its way to the U.S. Chikungunya gets its name from an East African word meaning ‘that which bends,’ due to the posture of its sufferers. (more…)

Jan20

Let’s quit carping about it

Grass Carp

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In the 1960s, grass carp were brought to the U.S. from Asia to control weeds in southern fish-farming operations. Unfortunately, like so many other exotics, these fish escaped into the wild, and have been moving northward. As of last month, they were found to be reproducing in Lake Erie. (more…)

Dec27

Invaders underfoot in our forests

earthworm

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Despite their familiarity, earthworms are an invasive species in America’s northern temperate forests. They arrived in the mid-1800s, with the arrival of European settlers. And today, humans continue to spread earthworms through activities such as road building, mountain biking, and bait fishing. (more…)

Dec23

An invasive species named Fluffy

Cat

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An invasive species is a plant or animal that is not native to a particular ecosystem. An invasive can throw an ecosystem out of whack by competing with native species for resources or eliminating native species. Examples include zebra mussels, Japanese knotweed, and the domestic house cat. (more…)

Earth Wise is a presentation of WAMC Northeast Public Radio and The Cary Institute of Ecosystem Studies Follow us Facebook Twiter RSS Podcast