Most rock pocket mouse populations have light, tawny fur consistent with the colour of the desert rocks on which they live.
Studies of the mouse populations on the islands were carried out in 1931, 1939, and 1955.
Their influence on mouse populations is probably significant: adults take two or three mice a day each if they can, around a thousand mice a year.
Both normally function so as to control the mouse population.
Also, she said, the abundance of seeds from the dense alien grass caused the mouse population to rise sharply.
I blame my girlfriend's cat for the decline in the mouse population.
Like the soar-and-sink mouse populations, the number of gypsy moths is also prone to sudden collapse.
In the summer of 1993, the mouse population was moderately high and consumed almost all the gypsy moth pupae within eight days.
The neighborhood was crawling with cats, partly because they were useful for controlling the mouse population around everyone's stables.
The Australian mousepox experiment was focused on developing an alternative to poisons for controlling the mouse population.