New high-resolution images of Australia’s biggest biosecurity threats have been uploaded to a database. Each image highlights ...

Almost two centuries after rabbits were set free across Australia’s fragile landscape, scientists are working to understand a mysterious change that has occurred in their physical nature. Oddly, the ...

See the Top 5 most common invasive animal and insect in every state. In 2018, the top invasive animals reported by national parks spanned a wide variety of species — including European starling ...

The Australian redclaw crayfish are much larger than the species native to the U.S. They can grow close to 10 inches long, about the size of some lobsters. They are edible and are commonly farmed ...

It’s been about 90 years since Australia introduced tropical cane toads (Rhinella marina) onto Queensland farms. Around 2,400 toads were released into the wild in 1935 in an attempt to rein in ...

Since their introduction in 1935, cane toads (Rhinella marina) have become one of Australia’s most notorious invasive species, profoundly impacting native ecosystems. Research over recent ...

While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

We’ve got a new critter in Texas waters, but this one’s no mate of ours. The invasive Australian redclaw crayfish is making waves in Texas – and not in a good way.

While invasive species like zebra mussels and silver carp have previously disrupted U.S. waterways, Texas researchers are working to determine whether redclaw crayfish could pose a similar threat.

An invasive crayfish species from Australia is posing a threat to the native crayfish species in the Rio Grande Valley, Texas officials warn. Screengrab from Texas Parks and Wildlife video There ...

While invasive species like zebra mussels and silver carp have previously disrupted U.S. waterways, Texas researchers are working to determine whether redclaw crayfish could pose a similar threat.

While invasive species like zebra mussels and silver carp have previously disrupted U.S. waterways, Texas researchers are working to determine whether redclaw crayfish could pose a similar threat.