US and Canada have lost more than 1 in 4 birds in the past 50 years
Posted September 19, 2019
Data show that since 1970, the US and Canada have lost nearly 3 billion birds, a massive reduction in abundance involving hundreds of species, from beloved backyard songbirds to long-distance migrants.
Wild animals’ immune systems decline with age, sheep study finds
It is well established that weakened immune systems in old age affect people's health and fitness, but a study suggests that it is also an issue for wild animals.
Overweight Danes are more likely to have overweight dogs
A new study reports that the prevalence of overweight dogs is markedly larger among overweight owners than among normal weight owners. Part of the explanation lies in whether treats are used as training tools or ''hygge-snacks''.