Nesting Facilitation of Medium-sized Birds of Prey

Kudo Takuma, Suzuki Takashi

doi:10.4005/jjfs.97.225

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Other Title

中型猛禽類の営巣誘導
中型猛禽類の営巣誘導 : 太枝がない若齢針葉樹における試み
チュウガタモウキンルイノエイソウユウドウ : タイシガナイジャクレイシンヨウジュニオケルココロミ
―太枝がない若齢針葉樹における試み―
Trials on Young Conifers without Firm Branches

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Description

We have tried to facilitate nesting of medium-sized birds of prey by placing artificial nests on young conifers without thick branches that could support their nests. A pair of the northern goshawk Accipiter gentilis and a pair of the black kite Milvus migrans nested on the artificial nests. The goshawks raised two fledglings successfully. The black kites abandoned the nest during brooding possibly due to the disturbance by people searching for edible wild plants. The goshawks used the artificial nest although their natural nest in the previous year was nearby. The artificial nest used by the black kites was located in the area where the nesting of medium-sized birds of prey, including the black kite, had not previously been observed. The results indicate that it is possible to artificially facilitate nesting of medium-sized birds of prey even on the conifers that have not developed thick branches, which may be simply because of the age or the delay of thinning. The application of this technique could render the forests without trees suitable for nesting, possibly leading to the expansion of their habitat.

Journal

Journal of the Japanese Forest Society

Journal of the Japanese Forest Society 97 (5), 225-231, 2015

THE JAPANESE FORESTRY SOCIETY

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