Videos tagged herpetology
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Herping in Florida
Travel to Florida on a wildlife expedition with Boston University's herpetology class.
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5 minutes at EP
Red-eyed treefrogs: males calling, tremulating, and fighting on a potted plant at the Experimental Pond in Gamboa, with hourglass treefrogs (and other species) calling in the background. Infrared video recorded with Sony Nightshot. The frogs don't [...]behave like this under white light.
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Parrot snake attack and induced hatching of red-eyed treefrog eggs
A parrot snake, Leptophis ahaetulla, attacks a 5-day-old egg clutch of red-eyed treefrogs, Agalychnis callidryas and the embryos hatch prematurely to escape.
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Red-eyed treefrog embryos hatching after flooding
This is 22 minutes of video sped up to 40 seconds. It shows 5-day-old red-eyed treefrog embryos submerged underwater. They change position many times before they hatch. Embryos in air also move around inside their egg capsules, but less often -- [...]except, if they put their gills near the back, where there isn't enough oxygen, they don't stay there long.
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Wasp attack and induced hatching of red-eyed treefrog eggs
A wasp, Polybia rejecta, attacking red-eyed treefrog, Agalychnis callidryas, eggs. The eggs are 5 days old, in the middle of their period of hatching competence but still premature. Undisturbed eggs typically hatch at 6 or 7 days. The first attack [...]was 5 min ago, 5 embryos have already hatched & 2 have been carried away when this clip starts. It is in real time.
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Red-eyed treefrog embryo hatching
This was recorded at high speed and is slowed down here. The embryo is 5 days old. Note the small twitches and large mouth-gaping movements at the start. Then the egg ruptures and fluid starts to leak out. The embryo moves its nose into the rupture [...]site and pushes its way out.
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