1, mistaken for the same kind: beluga whales are a kind of whales, and they belong to mammals. They may regard human beings as their own kind, so they are friendly to human beings. Researchers found that when beluga whales interact with children, they also regard children as their own children. And when they interact with adults, they also regard them as their own kind, so they are very friendly to all human beings.

2. Play: Beluga whales are friendly to human beings and may play with human beings. Because they are gentle animals and like to play with different creatures, they are also very friendly to animals that play together. Besides playing with humans, beluga whales can also play with plants.

3. Smart: Beluga whales have high IQ, and when people treat them with kindness, they will be very friendly to human beings.

Both beluga whale and dolphin are docile animals. They are very friendly to human beings and can interact with them in various ways. Dolphins can not only interact with humans, but also help humans when they fall into the water. And dolphins have a higher IQ than beluga whales, so dolphins are more docile.