Ryukyu Brown Frog – Amphibians of Okinawa by Shawn Miller

The Ryukyu Brown frog (Rana ulma) is found throughout the Ryukyu Islands. It is listed as an endangered species on the IUCN list of threatened species. Some of the most beautiful frogs are found on Kume Island.

  • Scientific name: Rana ulma - Synonym Babina okinavana
  • Common name: Ryukyu Brown Frog
  • Distribution: Ryukyu Islands
  • Habitat: Forests, mountain slopes, drainage ditches and farm fields.
  • Diet: Insects
  • Average size: 45mm-65mm
  • Color: brown

The Ryukyu Brown Frog is found in northern Okinawa. The Yanbaru forest is a wildlife protected area.

Wildlife protection area -Yanbaru forest

Wildlife protection area -Yanbaru forest

They blend in very well with the leaf litter, rocks, and the surrounding grass.

Rana ulma Ryukyu brown frog

Rana ulma Ryukyu brown frog

Mating season is during the winter months.

Ryukyu Brown frog mating

Ryukyu Brown frog mating -Kume, Island

Photographed on white for the Meet Your Neighbours project.

Rana ulma -Meet your neighbours

Rana ulma -Meet your neighbours

A wide-angle perspective of the small brown frog.

Rana ulma - Wide angle macro

Rana ulma – Wide angle macro

Pay attention to crossing wildlife. Frogs are often found on the road searching for insects

Rana ulma - crossing the road

Rana ulma – crossing the road

Let’s protect the animals of Okinawa.

Ornate narrow mouth frog – Amphibians of Okinawa by Shawn Miller

The Ornate narrow-mouth frog (Microhyla ornata) is found throughout the Ryukyu Islands. It is one of the smallest frogs found on Okinawa. It can be extremely hard to find due to its small size.

  • Scientific name: Microhyla ornata
  • Common name: Ornate narrow mouth frog, ant frog and ornate pygmy frog
  • Distribution: Ryukyu Islands
  • Habitat: Forests, mountain slopes, drainage ditches and farm fields.
  • Diet: Ants, termites and small insects
  • Average size: 15mm-25mm
  • Color: brown
Ornate narrow mouth frog -Okinawa

Ornate narrow mouth frog -Okinawa

I have found this beautiful frog in the Yanbaru forest, local parks, drainage ditches and even common walking trails in central Okinawa.

Yanbaru forest  -Northern Okinawa

Yanbaru forest -Tokina magic

This small frog is a master of camouflage. I often find it on rocks, plants and leaves during my night walks.

Ornate rice frog -Ryukyu Islands

Ornate rice frog -Ryukyu Islands

 

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Ornate rice frog -Onna village

Photographed on a white portable studio for the Meet your neighbours project                 - dedicated to connecting people worldwide with the wildlife in their community -

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Meet your neighbours project by Shawn Miller

Have a great day!

Ryukyu green snake – Reptiles of Okinawa by Shawn Miller

The Ryukyu Green snake (Cyclophiops semicaricartus) is a non-venomous snake found throughout the Ryukyu Islands. They are fairly common here on Okinawa. I often find them in the Yanbaru forest. They are harmless and pose no threat to your safety.

  • Scientific name: Cyclophiops semicaricartus
  • Local name: Ryukyu Ao Hebi - Ryukyu Green snake
  • Distribution:  Ryukyu Islands
  • Habitat:  Forests and grasslands
  • Diet:  Earth worms
  • Average size:  60cm -80cm
  • Color:  Olive green with a yellow belly
 Ryukyu Green snake (Cyclophiops semicaricartus)

Ryukyu Green snake (Cyclophiops semicaricartus)

There’s a snake on my snake boot! I highly recommend wearing snake boots while herping in northern Okinawa.  Check out my post on venomous snakes of Okinawa for more info.

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Snake boot – Ryukyu Green snake (Cyclophiops semicaricartus)

A juvenile Ryukyu green snake interested in the Canon 100mm 2.8 lens.

Ryukyu snake on the Canon 100mm macro lens

Ryukyu snake on the Canon 100mm macro lens

The snakes are sometimes found crossing the road a night.

Head shot- Ryuyu Green snake

Head shot- Ryuyu Green snake

 Ryukyu Green snake (Cyclophiops semicaricartus)

Ryukyu Green snake (Cyclophiops semicaricartus)

The  Ryukyu Green snake feeds on earth worms, no need to kill it.

Road Kill - Ryukyu Green snake (Cyclophiops semicaricartus)

Road Kill – Ryukyu Green snake and beetles

Have a great day – Shawn Miller

Ryukyu tip-nosed frog (Odorrana narina) – Frogs of Okinawa

The Ryukyu tip-nosed frog ( Odorrana narina) is found in Northern Okinawa. This endemic frog is currently listed endangered on the IUCN red list. It’s biggest threat is habitat loss.

  • Scientific name: Odorrana narina
  • Common name: Ryukyu tip-nosed frog
  • Distribution: Yanbaru forest, Northern Okinawa
  • Habitat: Forest streams and mountain slopes
  • Diet: Insects, centipedes and small invertebrates
  • Average size: 50mm – 75mm

 

Ryukyu tip-nosed frog

Ryukyu tip-nosed frog – Stella 2000

The Ryukyu tip-nosed frog is a medium sized frog. It hides in holes and crevices in the daytime.

Ryukyu tip-nosed frog- WAM

Ryukyu tip-nosed frog –  Tokina 10-17mm

Ryukyu tip-nosed frog

Ryukyu tip-nosed frog

Odorrana narina - frogs of Okinawa

Odorrana narina – frogs of Okinawa

It feeds during the night on small insects and centipedes.

Ryukyu tip-nosed frog -wide angle macro

Ryukyu tip-nosed frog -wide angle macro, Stella 2000

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

Meet Your Neighbours Project -Okinawa

Meet Your Neighbours Project -Okinawa

It is sometimes found on roads searching for food after heavy rains.

Ryukyu Tip-nosed frog -Red list

Ryukyu Tip-nosed frog -Red list

Be careful and pay close attention to crossing wildlife.

Crossing wildlife- wide angle macro

Crossing wildlife- wide angle macro

Road kill- Ryukyu Tip-nosed frog

Road kill- Ryukyu Tip-nosed frog

Lets protect the wildlife of Okinawa!

 

 

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
Rana holsti - Yanbaru forest

Rana holsti – Yanbaru forest

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 juveniles have a dark brown patch on the top section of the body. They blend in very well with their habitat.

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!

Namie’s frog (limnonectes namiyei) – Amphibians of Okinawa

The Namie’s frog ( Limnonectes namiyei ) is an endangered species found only in northern Okinawa. It is currently listed threatened on the IUCN red list of endangered species. This amphibian is decreasing in numbers due to deforestation and the use of pesticides.

  • Scientific name: Limnonectes namiyei
  • Distribution:  Northern Okinawa-Japan
  • Habitat:  Forest streams 
  • Diet:  Insects 
  • Average Size:  70mm -115mm
Namie's frog  -Yanbaru forest

Namie’s frog -Yanbaru forest

Namies frog- Stella 2000

Namie’s frog- Photographed using the Stella 2000

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

limnonectes namiyei

Limnonectes namiyei – MYN Project

Massive legs allow them and capture prey with lightning speed.

Namie's frog ( limnonectes namiyei )

Namie’s frog ( limnonectes namiyei )

Webbed feet allow them to quickly escape predators in the water.

Namie's frog - Top view

Namie’s frog – Top view

Wide angle perspective – showing the environment it lives in.

Namie's frog - Wide angle macro

Namie’s frog – Wide angle macro

Be careful and pay close attention to crossing wildlife.

Road dweller- Namie's frog- Stella 2000

Road dweller- Namie’s frog with leeches

Lets Protect the wildlife of Okinawa!