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american three-toed woodpecker vs black-backed woodpecker

Picoides dorsalis versus Picoides arcticus

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Jogue um quiz com american three-toed woodpecker e black-backed woodpecker

american three-toed woodpecker (Picoides dorsalis) american three-toed woodpecker
black-backed woodpecker (Picoides arcticus) black-backed woodpecker

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Em resumo

O american three-toed woodpecker e o black-backed woodpecker são ambas espécies de pica-paus de três dedos encontradas nas florestas da América do Norte. A marca de campo mais confiável é a plumagem: o black-backed woodpecker tem um dorso preto esfumaçado distinto, enquanto o american three-toed woodpecker tem um padrão mais estriado em seu dorso. Ambas as espécies têm uma mancha amarela na coroa nos machos, mas seus comportamentos de forrageio diferem, com o american three-toed escalando a casca e o black-backed escavando mais fundo na madeira.

Dicas de identificação

Plumagem

O black-backed woodpecker tem um dorso preto esfumaçado que o camufla contra árvores queimadas, enquanto o american three-toed woodpecker tem um padrão mais estriado em seu dorso. Ambas as espécies têm uma mancha amarela na coroa nos machos.

Comportamento

O american three-toed woodpecker forrageia escalando a casca das árvores em busca de besouros da casca, enquanto o black-backed woodpecker escava mais fundo na madeira para encontrar larvas de besouros que perfuram a madeira.

Habitat

O american three-toed woodpecker é geralmente encontrado em florestas de abeto e se reproduz mais ao norte, enquanto o black-backed woodpecker está associado a paisagens que experimentam incêndios regulares e distúrbios florestais em grande escala.

Voz

O black-backed woodpecker é conhecido por seu chamado distintivo Scream-Rattle-Snarl, que é um dos mais complexos entre os pica-paus.

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The American Three-toed Woodpecker and Black-backed Woodpecker are both three-toed species found in North American forests. The most reliable field mark is the plumage: the Black-backed Woodpecker has a distinctive sooty black back, while the American Three-toed Woodpecker has a more barred pattern on its back. Both species have a yellow crown patch in males, but their foraging behaviors differ, with the American Three-toed scaling bark and the Black-backed excavating deeper into wood.

  • Look for the sooty black back of the Black-backed Woodpecker versus the barred back of the American Three-toed Woodpecker.
  • Observe foraging behavior: the American Three-toed scales bark, while the Black-backed excavates wood.
  • Listen for the Black-backed's distinctive Scream-Rattle-Snarl Call.

The Black-backed Woodpecker has a sooty black back that camouflages it against burned trees, while the American Three-toed Woodpecker has a more barred pattern on its back. Both species have a yellow crown patch in males.

The American Three-toed Woodpecker forages by scaling the bark of trees in search of bark beetles, whereas the Black-backed Woodpecker excavates deeper into the wood to find wood-boring beetle larvae.

The American Three-toed Woodpecker is generally found in spruce forests and breeds farther north, while the Black-backed Woodpecker is associated with landscapes that experience regular fire and large-scale forest disturbances.

The Black-backed Woodpecker is noted for its distinctive Scream-Rattle-Snarl Call, which is one of the most complex among woodpeckers.

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american three-toed woodpecker · black-backed woodpecker · Minhas aves difíceis