Lounging in inches of warm water, blacktip reef sharks wait for the tide to refill the lagoon at Seychelles’ Aldabra Atoll.
Tempted by the fruit of a strangler fig, a Bornean orangutan climbs 100 feet into the canopy. With males weighing as much as 200 pounds, orangutans are the world’s largest tree-dwelling animals.
The nervous system of this common octopus is larger and more complex than most invertebrates’. Can it think? Is it conscious? Researchers wonder if we’ll ever know.
