But their free-eating diets and limited physical activity contribute to a disruption of life rhythms, such as circadian ...
Many people argue that zoos are better for certain wildlife than the actual wild. Typically, those populations include ...
In contrast to the king penguin's apparent success, abrupt shifts in breeding patterns negatively affect many penguin species ...
Penguins do not react to people the way most wild animals do. When a human appears on an Antarctic shoreline, many penguins do not scatter or hide. They keep walking. Some pause a short distance away ...