Penguins are flightless birds, or avifauna. They used to fly in the past, but it is thought that they evolved and stopped flying. Instead, they became good at swimming & diving.

Noboribetsu Marine Park Nixe opened on July 20, 1990.

Once a year, the old hair on the body of seals is replaced by new hair. This period is called the molt season. The molt period lasts approximately 2 to 3 weeks.

The green anaconda lives in the Amazon River in South America. It is a huge snake that can grow up to 9 meters. Females are larger.

The dolphin has a smooth eggplant-like skin to reduce water resistance so that it can swim faster. Incidentally, dolphins renew their skin every two hours.