WashingtonPost.com; A ‘mass invasion’ of polar bears is terrorizing an island town. Climate change is to blame.; Isaac Stanley-Becker; February 11, 2019. BBC.com; Belfast Zoo chimp escape raises 'safety concerns'; BBC; February 10, 2019. NYTimes.com; A First Date for Two Rare Tigers Ends in Death at London Zoo; Yonette Joseph; February 9, 2019. WTVR.com; Coyote spotted lying in street in Chesterfield neighborhood; Web Staff; FEBRUARY 8, 2019.