SIZE: THE RANGE IS HUGE Bufo metamorph. Bufo marinus from Surinam
PAROTOID GLANDS ON TOADS PRODUCE TOXIC ALKALOIDS
Taken in large amounts, the alkaloids are potentially deadly. Taken in small amounts, they may be hallucigenic (and unlawful). My dog, Rex, bit toads several nights in a row. Maybe he liked it – swollen eyes and all !
Phyllomedusa eggs over a pond, Tambopata, Perú.
Orange-legged Phyllomedusa, applying wax to prevent desiccation. Photos by Harvey Lilywhite, Natural History Magazine, January, 2002.
Phyllomedusa bicolor, a very large Amazonian monkey frog whose skin secretions are used by the natives to heighten their hearing during hunting trips – they snort the scraped and dried secretions from the skin.
Triprion spatulatus - its flat nose is an adaptation for living in bromeliads. When the frog is sitting in the water among the leaves, its protruding nose looks like a leaf. Such water holding plants are called phytotelms.
Túngara Frog, Physalaemus pustulosus – “ phew” sound emitted as it fills with air (note the floating foam nest of this species, formed when the male kicks about in the jelly of the freshly laid eggs).
Túngara Frog, Physalaemus pustulosus – “chuck, chuck, chuck” sound emitted as it expells its air. This is the portion of the call that attracts females. Unfortunately, it is also the portion of the call that attracts Fish Eating Bats.
Ceratophrys – a very predatory genus. By David Bull
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