Sentence examples for squirrels were introduced from inspiring English sources

The Cypress Hills is orders of magnitude smaller than Newfoundland, and red squirrels were introduced over ten years earlier to the Cypress Hills than to Newfoundland.

This extensive removal of cones by red squirrels may account for the rapid decline of the Newfoundland crossbills beginning about ten years after red squirrels were introduced (Fig. 4b; Benkman 1989; Parchman and Benkman 2002).

They were once the only squirrel species in Europe until the grey squirrel was introduced to the UK from America in the 1800s.

The species was once common in Ireland but has been battling for survival ever since the grey squirrel was introduced from North America over 100 years ago.

Grey squirrels (Sciurus carolinensis) were introduced to the UK from the USA in the late 19th or early 20th century.

Red squirrels were absent from the Cypress Hills until they were introduced in 1950.

Red squirrels occur throughout the spruce forests of the mainland and were introduced onto Newfoundland in 1963.

Unfortunately, red squirrels had been introduced to the Cypress Hills in 1950, after Godfrey's visits (Benkman 1999).

He explains that when the North American Eastern Grey squirrel (top) was introduced it caused the red native Squirrel (bottom) to lose habitat and population, so now the red one is protected by conservation laws.

There are only about five square kilometers of lodgepole pine in the Sweetgrass Hills, and there were no red squirrels, and none had been introduced.

The only known introduction of a squirrel species into South America is the case of the Asiatic red-bellied tree squirrel Callosciurus erythraeus that was introduced in the Pampas Region of Argentina in 1970.