Sakhalin toads live in northeastern Asia and have no natural range in the United States. In South Korea they gather at breeding waters before winter has fully ended, with bumpy backs and long glands behind the eyes.

Appearance

Appearance
The back is covered with bumps, and a long sits behind each eye. Brown and yellow-brown individuals can carry darker blotches.

Where it lives

Typical habitats
  • forest floor
  • farmland
  • pond and reservoir edges
Range
Its native range includes the Korean Peninsula, northeastern China, adjacent Russia, and Sakhalin Island. It does not live naturally in the United States.
Preferred conditions
Adults spend much of the year on land but gather at standing water to breed.

Behavior

Diet
In its Korean range, it eats small land animals such as beetles, moth caterpillars, flies, and grasshoppers.
Activity
In South Korea, records show activity beginning in late winter and continuing into fall, with the strongest breeding activity in late winter and early spring.

Life cycle

Breeding season
South Korean observations recorded breeding behavior from mid-February into late April. Many adults gather within a short period, a strategy called .
Nest
The eggs are laid underwater in long, string-like jelly cords.

Cautions

Cautions
The parotoid glands and skin release defensive toxins. Wild animals are best observed without handling.

Name and classification

About the name
The Sakhalin Toad (Bufo sachalinensis) was once grouped with Bufo gargarizans, but a 2022 study treated it as a separate species.

Conservation

IUCN Red List
NENot EvaluatedNot yet assessed
Sakhalin toad (Bufo sachalinensis) — identification, habitat & look-alikes | Moeyo