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首页> 外文期刊>Northwestern Naturalist: a journal of vertebrate biology >VEILED POLYPORE (CRYPTOPORUS VOLVATUS) AS A FORAGING SUBSTRATE FOR THE WHITE-HEADED WOODPECKER (PICOIDES ALBOLARVATUS)
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VEILED POLYPORE (CRYPTOPORUS VOLVATUS) AS A FORAGING SUBSTRATE FOR THE WHITE-HEADED WOODPECKER (PICOIDES ALBOLARVATUS)

机译：被遮盖的Polypore（Cryptoporus volvatus）作为白头啄木鸟的觅食基板（Picoides albolarvatus）

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摘要

In the northwest, White-headed Woodpeckers (Picoides albolarvatus) are an uncommon species restricted to interior, dry coniferous forests. This species forages primarily by probing in bark crevices, surface gleaning, and excavating below the bark. Here we report on an observation from Mt. Ashland in southern Oregon of a White-headed Woodpecker feeding on insects in and around the sporophores of Veiled Polypore (Cryptoporus volvatus). Inspection of other sporophores with signs of woodpecker feeding revealed abundant fly larvae and beetles (adults and larvae). This widespread decay fungus colonizes the sapwood of recently dead trees where it is frequently associated with bark beetles. A suite of other insects is attracted to the sporophore, many using the enclosed pouch as a pupation chamber. In addition to exploring the significance of C. volvatus as a foraging substrate for White-headed Woodpeckers, we discuss the potential role of White-headed Woodpeckers as dispersal agents for C. volvatus and the possible interplay between C. volvatus-induced decay, insect availability, and habitat selection by White-headed Woodpeckers.
机译：在西北部，白头啄木鸟（Picoides albolararvatus）是一种罕见的物种，限于内部，干燥的针叶林。这种物种主要通过探测树皮裂缝，表面收集和挖掘在树皮下方。在这里，我们报告了Mt.Shashland的观察，在蒙皮覆盖的白头啄木鸟的南俄勒冈州的白头啄木鸟（Cryptoporus volvatus）喂食。用啄木鸟喂养的迹象检查其他孢子体揭示了丰富的飞幼虫和甲虫（成人和幼虫）。这种广泛的腐烂真菌殖民地殖民地最近死树的树木，经常与树皮甲虫有关。其他昆虫的套房被吸引到孢子体，许多使用封闭的袋作为灰化室。除了探索白头啄木鸟的觅食基材的volvatus的意义外，我们讨论了白头啄木鸟作为C.Volvatus的分散剂的潜在作用和C.Volvatus诱导的腐烂，昆虫的可能相互作用白头啄木鸟的可用性和栖息地选择。

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