Clark's Nutcrackers Harvest Sugar Pine Seeds from Cones

Michael P. Murray; Diana F. Tomback

doi:10.3398/064.070.0314

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Michael P. Murray,¹ Diana F. Tomback²

¹Ministry of Forests and Range, Kootenay Lake Forestry Centre, 1907 Ridgewood Rd., Nelson, British Columbia V1L 6K1, Canada.
²Department of Integrative Biology, University of Colorado Denver, PO Box 173364, Denver, CO 80217-3364.

Abstract

This is the first report of Clark's Nutcrackers (Nucifraga columbiana) harvesting seeds from the cones of sugar pine (Pinus lambertiana), based on observations over several years in Crater Lake National Park, Oregon. The harvesting period in late September corresponded to peak cone-opening dates. Nutcrackers placed harvested seeds in their throat pouches, a behavior associated with seed caching.

Citation Download Citation

Michael P. Murray and Diana F. Tomback "Clark's Nutcrackers Harvest Sugar Pine Seeds from Cones," Western North American Naturalist 70(3), 413-414, (1 October 2010). https://doi.org/10.3398/064.070.0314

Received: 15 December 2009; Accepted: 1 May 2010; Published: 1 October 2010

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