irruption

Orwell narrowed it down to the Edwardian era — 1901 to 1919 — long before the irruptions of two world wars and the Great Depression.

"The principal challenge in the past was eradication by anti-predator campaigns. Today the main challenge is habitat loss, irruption of natural corridors by roads and barriers, and conflict with humans," Marin told Salon.

Waxwings are annual visitors from Scandinavia but they sometimes come in more significant numbers - known as an irruption - in search of food.

Then, however, the slow irruption of history into Hans and Katharina’s lives gives Erpenbeck the chance to introduce the larger ideas she’s writing for: dissolution, union, the limits of human connection.

The most vivid accounts of squirrel irruptions date to a time when old growth forests had yet to be logged, when bison roamed the West and flocks of passenger pigeons darkened the skies.