One of the most surprising animal behaviors I’ve seen in a documentary is the **"fishing technique" of the green heron** (*Butorides virescens*). In the BBC’s *"The Hunt,"* there’s a remarkable scene where a green heron uses *bait* to catch fish. The bird drops small pieces of bread or insects onto the surface of the water to lure fish closer. Once the fish swims near, the heron strikes with lightning speed to catch its prey.
This behavior is fascinating because it demonstrates **problem-solving skills and tool use**, which are traits we often associate with higher intelligence. It’s not just instinct—it’s a calculated strategy that shows how adaptable and clever some animals can be.
Another surprising behavior is the **"cooperative hunting" of orcas (killer whales)**. In *"Blue Planet II,"* orcas are shown working together to create waves that wash seals off ice floes. This level of coordination and communication among orcas is mind-blowing and highlights their incredible social intelligence.