Abstract
We report new records of Ruby-topaz Hummingbird (Chrysolampis mosquitus) in Puerto Iguazú, Misiones. The repetitive observations during autumn indicate a seasonal pattern in Argentina.
References
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Schuchmann, K. L. (1999). Family Trochilidae (hummingbirds). En: del Hoyo, J., Elliot, A. & Sargatal, J. (eds.), Handbook of the birds of the world. Volume 5. Barn-owls to hummingbirds. Lynx Edicions, Barcelona

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