A vibrant, forest-dwelling amphibian whose emerald throat echoes through the twilight wetlands of West Africa
🔍 Quick Facts
- Common Name: Green-Throated Reed Frog
- Scientific Name: Hyperolius viridigulosus
- Family: Hyperoliidae (Reed Frogs)
- IUCN Status: Endangered
- Size: ~2.5–3.5 cm
- Activity: Nocturnal
- Habitat: Moist lowland tropical forests and swamps
🌍 Distribution and Habitat
Hyperolius viridigulosus is endemic to West Africa, with known populations in:
- Côte d’Ivoire and Ghana
In the Tano River Basin, it may occur:
- In swampy patches of the Tanoé-Ehy Forest
- Around temporary forest pools, marshes, and slow-moving streams
- In dense understory vegetation, especially during and after rainfall
Its presence is tightly linked to pristine humid forests and wetland microhabitats.
🐸 Appearance
- Color: Generally greenish to brown, with males often showing a bright green throat during calling
- Throat sac: Inflates vividly during vocalization
- Skin: Smooth and semi-translucent
- Body: Slender, with long limbs and toe discs adapted for climbing
Its delicate form and color make it a master of camouflage among leaves and reeds.
🌿 Behavior and Diet
- Nocturnal: Emerges at dusk, often perched on low vegetation near water
- Diet:
- Small insects like mosquitoes, midges, and gnats
- Males produce soft, repeated clicks or whistles to attract mates
- Tends to cling to stems and broad leaves, silently waiting for prey
Highly sensitive to changes in humidity and water availability.
🐣 Reproduction
- Breeds in temporary rain-fed pools
- Males call from low vegetation above water
- Females lay eggs on leaves just above the surface, allowing tadpoles to drop into the water upon hatching
- Tadpoles develop in small pools, which must remain moist for weeks
This specialized breeding strategy makes them vulnerable to pool drying and pollution.
⚠️ Conservation Concerns
Hyperolius viridigulosus is classified as Endangered due to:
- 🌳 Deforestation, particularly of coastal and swamp forests
- 🛤 Habitat fragmentation, isolating breeding populations
- 🧪 Pollution of forest pools from agriculture and mining runoff
- 🌾 Loss of temporary wetlands, essential for reproduction
It survives only in remnant pockets of intact forest with minimal disturbance.
🌊 Why It Matters for the Tano River
The Green-Throated Reed Frog is:
- A symbol of amphibian fragility and beauty
- A critical indicator of the health of forest-edge wetlands
- A contributor to insect control and a key part of the food web
Protecting this frog helps preserve the micro-wetlands that sustain biodiversity in the Tano basin.
🔗 Have you seen or heard tree frogs calling at night near forest pools? Help us track populations at [TanoRiver.com/submit]
