Male lion in Bouba Ndjida National Park, Cameroon, is one of a dwindling number of the big cats in West and Central Africa, where humans are encroaching on their habitat—and that of their prey.
The importance of food, jealousy, and paternal care in the evolution of owl monkey monogamy
La importancia del alimento, los celos y el cuidado paternal en la evolución de la monogamia en el mono mirikiná
Comparing the rewards of small-scale farming to those recounted by Thoreau
Conspicuous armaments are good visual proxies for fighting ability.