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Anthropology Magazine
Researchers in Uganda observed this very unusual mating behavior—a male red colobus monkey mounting a female red-tailed guenon.
column / Animalia

The Man Who Was Mistaken for a Homo Sapiens in a Hat

Caitlin Schrein
There are pros and cons to any relationship, but what are the risks and benefits of mating … with another species?
The critically endangered island foxes on San Nicolas Island, California, are a diminutive descendent of grey foxes from the mainland. Island foxes weigh between 1 and 3 kilograms.
column / Animalia

Why Dwarfism?

Caitlin Schrein
An anthropologist considers island dwarfism and evolution. What is it about islands that makes big creatures turn small?
column / Animalia

Lions, Tigers, and Bears, Oh … and Hominins?

Caitlin Schrein
Researchers seeking to discover the truth about human origins are turning to animal hybrids for insights. What they’ve found may lead to more questions than answers.
An artistic rendering of the construction of the earliest known hominin-made shelter, discovered at a 400,000-year-old site in Terra Amata, France.
column / Animalia

The Domesticated Hominin

Caitlin Schrein
Are humans still “wild”? If not, when were human ancestors no longer "wildlife”? The answer is not as clear-cut as it might seem.
The 19th Century anatomist Jones Quain dissected the human testicle, as illustrated by this engraving.
column / Animalia

When Sperm Compete, Nature’s Call Leads to Bigger … Testicles

Caitlin Schrein
Success in the living world is all about reproduction. Sperm competition has caused primate testicle size to increase.
column / Animalia

What Is an Animal?

Caitlin Schrein
It’s still not settled what features defined the very first animals or exactly when they evolved.