Two female Passerini's Tanagers (Ramphocelus passerinii) have a heated discussion near Puerto Viejo de Sarapiqui (Costa Rica), 11/98. This species was recently split from the Scarlet-rumped Tanager, creating two species, the Cherrie's which occurs mostly on the Pacific slope and the Passerini's, which inhabits primarily the Carribean slope. The Cherrie's female is much more boldly-colored than the Passerini's, but the males are essentially similar.
Douglas Von Gausig (recordist; copyright holder), Naturesongs.com
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