The Northern Parula is a species of warbler that breeds in the eastern part of North America. These small migratory birds spend the winter in warm climates, from Florida down to Central America.
Male Northern Parulas have grey upperparts with yellow breasts. In the breeding season they also develop blue and rufous breast bands. Females are similar, but their colors are duller. Both have white eye-rings.
Northern Parulas feed on insects and spiders by foraging through foliage. During the winter they may supplement their diet with berries and other vegetation.
The Northern Parula is listed as Least Concern on the IUCN Red List and was last assessed in 2012 by BirdLife International. 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 increasing, 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 is extremely large, and hence does not 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.
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