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Range DescriptionPenelope albipennis survives in Lambayeque, Piura (Díaz-Montes and del Solar-Rojas 1997) and Cajamarca departments in north-west Peru. Historically, the species was probably well distributed across the Tumbesian dry forest (Angulo and Barrio 2004). Recent surveys have found guans in 22 localities in a band 200 km long with an average of 1 individual/10 km(Díaz-Montes and del Solar-Rojas 1997, Angulo verbally to the Neotropical Ornithological Congress 2007). It was initially discovered in Tumbes in 1876, but there have been no subsequent records(Díaz-Montes and del Solar-Rojas 1997, J. Flanagan in litt. 2000). An isolated population of "a guan with white in its wings" exists in the upper Marañon valley (Mark 2011). The population is estimated to number 150-250 individuals, comprising of a northern and southern population separated by up to 30 km (Angulo 2008, F. Angulo in litt. 2009, 2010). A captive-breeding programme is underway, comprising 70 birds in 2007 (F. Angulo in litt. 2009, 2010). Individuals have been reintroduced to several areas, however a population of c.50 individuals in the Chaparri Private Conservation Area may not be sustainable as it occurs in habitat which may not be suitable for the species, thus the population may require ongoing management to survive (Alcalde et al. 2009, F. Angulo in litt. 2012).