This video from the USA is called Western Scrub Jay invades my apartment.
Sierra Nevada Birds Move In Response To Warmer, Wetter Climate
(Oct. 4, 2009) — If the climate is not quite right, birds will up and move rather than stick around and sweat it out, according to a new study led by biologists at the University of California, Berkeley.
The findings, to be published the week of Sept. 14 in an online early edition of the journal Proceedings of the National Academy of Sciences, reveal that 48 out of 53 bird species studied in California’s Sierra Nevada mountains have adjusted to climate change over the last century by moving to sites with the temperature and precipitation conditions they favored.
The few species, including the Anna’s Hummingbird and Western Scrub-Jay, that did not pack up and leave when the climate changed were generally better able to exploit human-altered habitats, such as urban or suburban areas, the researchers said.
Climate change deniers, conservative politicians and right-wing newspaper columnists were all but incontinent with delight. Flooding the internet in mid-November were thousands of documents and private emails that had been exchanged over more than a decade by prominent climate scientists: here.
Western scrub-jay photo: here,