Wild animals provide a unique challenge for physiologists because they are difficult to capture and monitor in their natural habitats. As a result, scientists are increasingly learning about organisms ...
For estrogen to enhance learning and memory, nerve cells in the brain called cholinergic neurons are essential to the process, suggest animal studies performed by researchers from the University of ...
A study just published in the journal Functional Ecology called "Heavily hunted wolves have higher stress and reproductive steroids than wolves with lower hunting pressure" by Heather Bryan, of the ...
A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...
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Meet the animals that can change their sex naturally
Animals that can change their sex naturally might sound surprising at first, but in nature, it is simply another survival ...
Some animals reproduce only once before dying. This life strategy, called semelparity, sees organisms channel all energy into ...
In the animal kingdom, mating isn’t always about survival. From praying mantises to octopuses, some species die during or ...
The mating game in the animal kingdom is nothing less than fascinating and somewhat weird. Some species pierce, clone, chew, or even fake their way through the mating process. To make survival ...
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