There is a real lack of natural lakes in this area of Costa Rica, so last weekend, when driving out of San Isidro in a bus, I was pleased to see a large man-made lake with 100+ ducks in residence. I later found out that this was a sewage treatment plant, and made a visit this morning.
Counts included 110
Blue-winged Teal, 60
Black-bellied Whistling-ducks, one
Lesser Scaup, 11
Northern Jacana, 11
Spotted Sandpipers, one
Solitary Sandpiper, one
Black-necked Stilt, one
Green Heron and a few
Mangrove Swallows.
A
Yellow-rumped Warbler perched up in a tree bordering the lakes, and as I was walking back to the bus stop in town, two
Fork-tailed Flycatchers flew over, immediately followed by a flyover
White-tailed Hawk that fooled me into thinking it was a gull at first. The Fork-tailed Flycatchers looked incredible with their long tails trailing their dumpy little bodies at around five times the length.
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| Black-necked Stilt (left), Solitary Sandpiper (right) |
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| Blue-winged Teal |
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| Northern Jacana (middle), Spotted Sandpipers (top and bottom) |
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| Northern Jacana (right), Green Iguana (left) - the Green Iguana is the second largest lizard in the world. |
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| Black-bellied Whistling-duck |
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| Black-bellied Whistling-ducks |
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| Lesser Scaup |
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| Blue-winged Teals |
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| Green Heron |
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| Yellow-rumped Warbler |
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| White-tailed Kite |
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| The sewage treatment lakes. |
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