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Long-tailed sylph        Images © Mark A. Chappell

Long-tailed sylphs are common but spectacular cloud-forest hummingbirds in northern South America.   Adult males (above right; bottom) have extremely long blue-green tails; juvenile males have shorter tails and females (above left) look like a different species entirely.  The otherwise similar violet-tailed sylph has a striking purple-blue tail.     These were photographed at about 2000 m elevation in the mountains above Cali and near Manizales, both in southwestern Colombia.

  • Canon 7DII; 800 mm IS lens + 1.4X extender, fill-in flash (2015, 2016)