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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. Nightjar61

    Turdidae

    Maybe not. It depends when you were in Costa Rica. I’d assume that any birds seen in mid-winter would be “Russet-backed” as at that time all Swainson’s should be in South America. On the other hand, if you were there in late fall-early winter or late winter-early spring then both would...
  2. Nightjar61

    Turdidae

    According to Cornell Lab of Ornithology’s “All About Birds” website, “Russet-backed Thrush” winters in Central America and Swainson’s Thrush winters in South America. I would assume that Swainson’s Thrushes migrate through Central America on their way to South America. Dave
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