Philadelphia Zoo Black and White Ruffed Lemurs Long Call
1,446 views · Published 6 February 2009 · 0:53 · Indexed 24 September 2026
Channel: ZooVisitorMM · 2009 · Pets & Animals
The sound these lemurs are making in the Zoo's Primate Reserve is called the "long call". In the wild, they would be letting animals around them know they are there, and it's their territory. In this video, though, which was recorded late on a Thursday afternoon, I think they are letting the keepers know they are ready for their evening routine.
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