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Cape May Warbler Dendroica tigrina

Flight call description A piercing, usually downward-arched and/or slightly descending "tszp" or "tzew".


Fig.1. New York September 11, 2001 (WRE).

Bird in flight.


Examples     Diurnal     Nocturnal


Similar species Similar to Northern Parula but higher, buzzier, and less descending. See Pine and Prairie Warblers.


Behavior Primarily a nocturnal migrant but engages in redetermined migration and resumed migration. Gives flight call regularly while perched and in flight during the day as well as during nocturnal migration.


Spectrographic description Measured calls (N=17) were 37.5-55.3 (46.2) mS in duration and in the 6.4-8.8 (6.9-8.3) kHz frequency range. The frequency track was usually single-banded but occasionally showed a faint second band. It was typically descending and often slightly downward-arched and was modulated with 3.5-6 (5) humps with a spacing of 7.3-9.8 (8.6) mS and a depth of 0.4-0.7 (0.5) kHz.