| 2010 IUCN Red List Category (as evaluated by BirdLife International - the official Red List Authority for birds for IUCN): Least Concern Justification This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern. Family/Sub-family Icteridae Species name author (Linnaeus, 1771) Taxonomic source(s) AOU checklist (1998 + supplements), SACC (2005 + updates), Sibley and Monroe (1990, 1993), Stotz et al. (1996) Synonyms Leistes militaris Sibley and Monroe (1990, 1993) Taxonomic note Leistes militaris, Red-breasted Blackbird (Sibley and Monroe 1990, 1993) has been placed in the genus Sturnella following Short (1968). Consequently S. militaris, Pampas Meadowlark (Sibley and Monroe 1990, 1993) takes the name S. defilippii. In Collar et al. (1992, 1994), S. militaris was wrongly assigned to the Pampas Meadowlark.
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