01 / Enoshima Islands Colony
Rhinoceros auklets dig burrows over 1 m longand lay a single egg.
The Enoshima Islands consist of Enoshima and several other small islands, and are a breeding ground for Black-tailed Gulls and Rhinoceros Auklets. The prefecture says auklets are especially numerous on Ashi-jima. Gulls begin arriving in late December, breed from April to June, and leave the islands in August.
- National Natural Monument, designated 1934
- Auklets breed May to July
- Ashi-jima: uninhabited, about 1.2 km southeast of Enoshima