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The word opossum is derived from the Powhatan language and was first recorded between 1607 and 1611 by John Smith (as opassom) and William Strachey (as aposoum). [5] Possum was first recorded in 1613.
Tonic immobility occurs after the predator has detected and or made contact with the prey, and is likely used to prevent further attack by the predator or consumption of the prey. [ 1 ] [ 2 ] Because tonic immobility occurs later in the predator attack sequence, it is considered a secondary defense mechanism and is therefore distinct from freezing.
The study "Urban bird declines and the fear of cats" refers to how native species are reproducing less to avoid predators, even if predator mortality is low. This study indicates how small predator mortality is, which is less than 1%, but it has a considerable impact on the birds' fecundity and reduces the abundance of birds to 95%. [ 59 ]
Previously feral cats had only been considered a peripheral threat to Leadbeater's possums, but recent research has found video evidence of cats preying on possums leaving nesting boxes, and of possum remains in stomach contents of trapped feral cats. It is now considered that cats may be a more significant threat to possum populations ...
Virginia opossum tracks generally show five finger-like toes in both the fore and hind prints. [21] The hind tracks are unusual and distinctive due to the opossum's opposable thumb, which generally prints at an angle of 90° or greater to the other fingers (sometimes near 180°). Individual adult tracks generally measure 1.9 in long by 2.0 in ...
A male fisher can range up to 30 square miles, so these travelers can show up anywhere at anytime. They are equally capable of hunting day and night.
On Dec. 28, Utah’s Hogle Zoo announced the arrival of its newest resident: Gaia, an 8-month-old predatory feline belonging to a species known as the black-footed cat. Gaia is not yet fully grown ...
Overall, brushtail possums are more densely populated in New Zealand than in their native Australia. [16] This may be because Australia has more fragmented eucalypt forests and more predators. In Australia, brushtail possums are threatened by humans, tiger quolls, dogs, foxes, [6] cats, goannas, carpet snakes, and powerful owls.