New research shows Mara-Loita white-bearded wildebeest populations have lost roughly 90% of their historic migratory footprint since 2020 due to the construction of fencing and other man-made barriers ...

Caribou move along barren ground in northern Canada. The Bathurst caribou population has declined from 400,000 to less than 4,000 over the last 30 years, according to new surveys by the government of ...