The seemingly unwieldy shape of a fish is anything but a drag.
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.