Wild dogs complete record 2,485-mile mate trek — SkimNews
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- Three brother African wild dogs completed a 2,485-mile (4,000km) trek across Zambia over eight months, zigzagging roughly 10 times the 260-mile straight-line distance between wildlife strongholds
- Researchers identified it as the longest recorded dispersal — a one-way search for a mate — by any African land mammal, suggesting wild dog populations across eastern and southern Africa may remain more connected than conservationists previously believed
- Three sister wild dogs attempting a similar dispersal stopped when one was caught in a snare; two of three females in the study ultimately died, with surviving pack members repeatedly returning to the same location — a behavior that typically signals a companion's death
- Lead author Scott Creel of Montana State University, who has studied African wild dogs since 1991, framed the findings as cautious optimism but warned 'the glass is half empty and the glass is half full' given the threat of poaching snares
- Co-author Bruce Ellender, Kafue Conservation director for The Nature Conservancy, called for corridors of natural land linking protected areas, saying 'we can't see these protected areas as islands and expect them to be functional in the long term'
- Only about 6,000 African wild dogs remain in the wild, and because they cannot breed within their birth pack, members typically disperse at age two or three or wait to inherit
- The brothers skirted major human obstacles including Lusaka and heavily developed industrial areas; the UN Convention on Migratory Species currently cites wildebeest seasonal migrations of 400 miles between Tanzania and Kenya as Africa's longest known migrations
Why it matters: For the roughly 6,000 remaining African wild dogs — which cannot breed within their birth pack — successful long-distance dispersal is genetically existential, and this GPS evidence suggests fragmented populations across eastern and southern Africa may still be linked. But with two of three tracked females killed by snares, the researchers' 'half-empty glass' warning underscores that connectivity only matters if wildlife survive the corridors between reserves.
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