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Range DescriptionAmaurospiza carrizalensis was recently described following collection of the holotype on Isla Carrizal in the RÃo CaronÃ, Venezuela. Since then habitat at the type locality on the island has been destroyed in the development of Guri Dam. Surveys in late 2007 and 2008 recorded the species in seven areas in the lower CaronÃ basin (M. Lentino in litt. 2008), and further fieldwork increased the number of known sites to fourteen (M. Lentino in litt. 2010). For the moment, it is assumed to have an extremely small population and to be declining as other potentially suitable habitat continues to be destroyed. However, the low number of records may be partly due to the difficulty in surveying its habitat, which as a result has rarely been explored. Some 2,482 km2 of suitable spiny bamboo habitat has been mapped (M. Lentino in litt. 2010).