Tree Sparrows Foraging on Elm Seeds for more than a Month

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Tree sparrows (Passer montanus) forage on elm seeds for extended periods of more than a month, indicating it can be a more significant food source than previously recognized. Novelty: ClaimNovelty.CONTRADICTORY. Consensus alignment: ConsensusAlignment.CHALLENGES_CONSENSUS.

Johannes Erritzøe

doi:10.1515/isspar-2015-0004

January 1, 2010International Studies on SparrowsOpen Access

Tree Sparrows Foraging on Elm Seeds for more than a Month

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Abstract

In the literature little is mentioned about elm seed as food for Tree sparrows Passer montanus . elm-and alder seeds . Grun (1975) stated that tree sparrows only exceptionally eat seeds of the elm trees Ulmus glabra and Ulmus laevis and rather seldom and mostly only in a numbers of Ulmus minor .

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Johannes Erritzøe (2010) studied this question.

synapsesocial.com/papers/6aaa6856889ad45d867e6c36 https://doi.org/10.1515/isspar-2015-0004

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Tree Sparrows Foraging on Elm Seeds for more than a Month

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Tree Sparrows Foraging on Elm Seeds for more than a Month

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