Nigeria’s Wetland Survey Reveals Hidden Bird Diversity and Migration Hub

Nigeria’s Wetland Survey Reveals Hidden Bird Diversity and Migration Hub

By
Casey Lee

Publish Date:July 1, 2025

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📰 The quick summary: A new comprehensive survey of Nigeria’s Hadejia Wetlands National Park documented 246 bird species, including 10 previously unrecorded species, demonstrating the park’s critical role as both a biodiversity hotspot and vital migratory stopover.
📈 One key stat: The 246 bird species documented in the Hadejia Wetlands represent 28% of Nigeria’s total avian diversity, highlighting the park’s exceptional ecological value in a relatively small 297km2 area.
💬 One key quote: “The Hadejia Wetlands National Park isn’t just a wildlife haven, it’s a lifeline for local communities relying on fishing and farming.”

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1️⃣ The big picture: Scientists have completed the first comprehensive biodiversity survey of Nigeria’s Hadejia Wetlands National Park, documenting a remarkable 246 bird species. The year-long research effort revealed 10 previously unrecorded avian species and several vulnerable or near-threatened birds, establishing the park as a critical hotspot for both resident and migratory species. Beyond birds, researchers cataloged 49 butterfly species, 15 reptiles, and 13 mammals, including the Near-Threatened Red Patas Monkey. This 297km2 mosaic of woodlands and wetlands serves as both an ecological treasure and economic lifeline for surrounding communities who depend on its resources.

2️⃣ Why is this good news: The survey confirms Hadejia Wetlands’ status as an internationally significant biodiversity hotspot, harboring 28% of Nigeria’s total bird diversity within its boundaries. Researchers discovered several rare species, including the elusive Little Rush Warbler and a leucistic White-billed Buffalo Weaver with a genetic anomaly causing striking white plumage. The park provides crucial habitat for vulnerable species like the European Turtle-dove and near-threatened birds such as the Pallid Harrier. Beyond ecological value, these wetlands function as a vital hydrological buffer that sustains local fishing and farming communities, demonstrating the direct connection between ecosystem health and human prosperity in this arid region.

3️⃣ What’s next: Protection efforts must be strengthened through consistent anti-poaching patrols and habitat restoration now that the site has been upgraded from a game reserve to national park status. Local communities need to be engaged in sustainable farming practices and ecotourism development. Continuous monitoring of species trends remains essential to assess and mitigate climate change impacts on this critical ecosystem.

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Read the full story here: The Conversation – Nigeria’s Hadejia wetlands are a vital stopover for migrating birds: new survey records species found in the park

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