The King of the Yanbaru forest – Holst’s frog

The Holst’s frog ( Babina holsti ) is a rare species found  in northern Okinawa. It is currently listed endangered on the IUCN red list. It is designated as a natural monument by the Okinawa Prefecture.  This large amphibian is decreasing in numbers due to habitat loss.

  • Scientific name: Babina holsti (Boulenger, 1892)
  • Distribution:  Northern Okinawa-Japan
  • Habitat:  Forest streams 
  • Diet:  Insects, worms, snails and small reptiles
  • Average Size:  100mm -125mm
King of the Jungle

King of the Jungle

The Holst’s frog is the largest frog found on Okinawa. It hides in holes, crevices and small caves in the day.

Searching for food

Searching for food

This is a size comparison photograph taken with the Iphone 6s. This is a good size  frog but they do get larger than this.

Comparison - Iphone6s

Comparison – Iphone6s

Photographed on white for the Meet Your Neighbours global biodiversity project. All images are used for conservation awareness and educational purposes.

MYN technique -Holst's frog

MYN technique -Holst’s frog

The juvenile’s have a dark brown  patch on the top section of the body. They bland in very well with their habitat.

Juvenile Holst's frog

Juvenile Holst’s frog

Juvenile holst's frog

Juvenile holst’s frog

They are sometimes found searching for food on the back roads of Northern Okinawa.

Juvenile Holst's frog - Yanbaru

Juvenile Holst’s frog – Yanbaru

Be careful and pay close attention to crossing wildlife! 

Crossing wildlife

Crossing wildlife

Lets protect the wildlife of Okinawa!

Facing extinction – Ishikawa’s Frog (Odorrana ishikawae)

Ishikawa’s frog (Odorrana ishikawae) is the most beautiful frog found in Japan. It is only found in northern Okinawa and currently on the endangered species list. It is one of the many endemic species facing extinction due to habitat loss. Ishikawa’s frog is a designated national monument of Okinawa.

This is my favorite frog on Okinawa. I have only seen about a dozen in the last three years.

shikawa's Frog (Odorrana ishikawae) Yanbaru forest ,Okinawa

Ishikawa’s Frog (Odorrana ishikawae)  Night dwelling in the Yanbaru forest, Okinawa

They live around mountain streams in the Yanbaru forest. They hide in cracks and crevices in the rocks making it hard to photograph them at times.

Ishikawa's Frog (Odorrana ishikawae) Yanbaru forest ,Okinawa

Adult Ishikawa’s Frog (Odorrana ishikawae)   ” out of the den “

They are also masters of of camouflage. The unique pattern helps them blend into the the moss and leaves on the riverside.

ishikawa's Frog (Odorrana ishikawae) Yanbaru forest ,Okinawa

Ishikawa’s Frog (Odorrana ishikawae)       ” blending into the surrounding  “

Iskikawa's frog searching for a meal

Iskikawa’s frog searching for a meal

Photographing the frog on white ( MYN technique ) isolates the subject without any distractions. The images are used for conversation awareness and educational purposes.

ishikawa's Frog (Odorrana ishikawae) Yanbaru forest ,Okinawa

Ishikawa’s Frog (Odorrana ishikawae)     MYN  - Isolation Technique

A juvenile Ishikawa’s frog searching for food.  (Wide angle perspective)

herpetologists dream come true - the find

herpetologists dream come true – the find

Sometimes they can bee seen crossing the road !

Crossing the road - Kunigami Village

Crossing the road – Kunigami Village

Ishikawa's Frog

Ishikawa’s Frog – Photographed using the L&M Stella 2000

Top view- Ishikawa's frog

Top view- Ishikawa’s frog

Be careful and pay close attention to crossing wildlife.

Ishikawa's Frog

Ishikawa’s Frog -Wide angle macro photography

Let’s protect the wildlife of Okinawa!