Preliminary results from the Bay Islands of Honduras show that, contrary to expectations, some tropical forest lizards may actually cope well with increasing temperatures due to climate change. Previous studies have warned that, in tropical regions, open-habitat lizards might invade cooler forest habitat and drive forest-dwelling species to extinction.
A genetic study focusing on the Central American river turtle (Dermatemys mawii) recently turned up surprising results for a team of Smithsonian scientists involved in the conservation of this critically endangered species. Small tissue samples collected from 238 wild turtles at 15 different locations across their range in Southern Mexico, Belize and Guatemala revealed a “surprising lack” of genetic structure, the scientists write in a recent paper in the journal Conservation Genetics.
The Orinoco Crocodile, Crocodylus intermedius, is listed as ‘Critically Endangered’ on the IUCN Red List of Threatened Species™. It is restricted to the middle and lower reaches of the Orinoco River and its tributaries in Venezuela and Colombia. It is a hole-nesting species and the females lay an average clutch size of 38 to 44 eggs. In 1800, the largest male ever was recorded measuring 6.5 metres in length.
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