Animals have long been known to possess intelligence, but recent scientific studies have uncovered some startling facts about the level of intelligence animals possess. From complex communication systems to problem-solving abilities, animals are proving to have far more cognitive abilities than previously thought. Here are some of the most surprising facts about animal intelligence.

1. Dolphins have a complex communication system.

Recent research has revealed that dolphins have a complex communication system that is similar to human language. Dolphins use a variety of vocalizations, body language, and even facial expressions to communicate. They can also recognize themselves in a mirror, which is a sign of advanced intelligence.

2. Crows can use tools.

Crows are incredibly intelligent birds that have been found to be able to use tools to solve problems. They can fashion sticks into hooks to pull food from a tube, and can even remember which tools work best for certain tasks.

3. Elephants have impressive memories.

Elephants are known for their impressive memories, and it has been found that they can remember the locations of water sources for up to 20 years! They also have a remarkable ability to recognize the sound of a human voice and can distinguish between different languages.

4. Chimpanzees can learn sign language.

Chimpanzees are often considered to be the most intelligent animals on the planet, and they have been found to be able to learn and use sign language. They can even understand abstract concepts such as numbers and shapes.

5. Octopuses can use camouflage.

Octopuses are incredibly intelligent animals that can use camouflage to hide from predators or sneak up on prey. They can change the color and texture of their skin to blend in with their surroundings, making them extremely difficult to spot.

These are just a few of the many startling facts about animal intelligence. From dolphins to octopuses, animals are proving to be far more intelligent than we ever thought possible.