Alarm as wildlife population declines by 68% since 1978 - See

In less than 50 years, the population of birds, mammals, reptiles, fish and amphibians have reduced by two-thirds, an outcome occasioned by environmental destruction. This is according to a report released recently by the World Wide Fund for Nature (WWF) Living Planet Report 2020. The Living Planet report shows that between 1970 and 2016, there […]

The (over) Population Dilemma - Wildlife Conservation Trust

Quaternary, Free Full-Text

Odocoileus virginianus

PDF) Population Trends of the African Elephant

White-tailed eagle - Wikipedia

Animal Populations Faced a 'Very Sharp Decline' Since 1970, Smart News

Catastrophic' human activity responsible for 68% drop in wildlife population, says new report

House sparrow - Wikipedia

The decline of butterflies in Europe: Problems, significance, and possible solutions