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A Guide to Some Possible Bird Species Splits in Costa Rica

10,000 Birds

These and several other species might end up being armchair ticks if and when we take a closer look at their evolutionary history. Taxa that could end up being split into one species occurring north of the Isthmus of Tehuantepec, and one south of the isthmus. (2). Bird species that require further research.

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Clapper and King rails may represent four or five species

10,000 Birds

Clapper Rails , as currently defined by the AOU, occur along the coasts of North and South America and Caribbean islands, and inland in southern California and Arizona. King Rails occur widely in eastern North America, in eastern and central Mexico, and in Cuba. The photo above, one of mine, shows a Clapper Rail in Louisiana.

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GUYANA–Simply Delicious Birding!

10,000 Birds

That’s because this fascinating part-Caribbean, part-south American country holds well over 800 species of avifauna making it without doubt one of my top three countries in all of the continent to visit. Before I delve into some of these avian treasures let me give you a few non-birding reasons to visit this gem of South America.

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Becards

10,000 Birds

There are 17 species of Becard. Eight occur only in South America, three spill over from there just into Panama, and one reaches from South America through much of Central America. Two reach from South America all the way to southeastern Mexico. Species seen? Great photos achieved?

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The origins of tanagers, warblers, and sparrows are coming into focus

10,000 Birds

A new paper out this month attempts to paint the most comprehensive picture yet of the origins and diversification of the American sparrows, wood-warblers, blackbirds, cardinals, tanagers, and their kin, an enormous group of birds more than 800 species strong.

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Why Red-ruffed Fruitcrow?

10,000 Birds

Sometimes, they even have the same species… I’m looking at you, House Wren ! While this low-density species may be declining across its wide range, BirdLife International still considers it of Least Concern. Encountering this stunner, one of the largest passerines in South America, raises a number of questions.

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How to Help Cerulean Warblers, Other Migrant Species, and Resident Birds in Costa Rica

10,000 Birds

A wonderful variety of bird species are waiting to be seen and among them are many a birder’s favorite avian group, the wood-warblers. Among the most desired bird species during May migration, brightly colored, beautiful and boldly patterned, how can a birder not get hooked on spring warblers? Great Green Macaw!