Student intern Karen Sinclair and her bouquet of Tree Swallow nestlings. UC Davis Russell Ranch, June 2015. (c) Evelien de Greef

Student intern Karen Sinclair and her bouquet of Tree Swallow nestlings. UC Davis Russell Ranch

Student intern Karen Sinclair and her bouquet of Tree Swallow nestlings. UC Davis Russell Ranch, June 2015. (c) Evelien de Greef

Student intern Karen Sinclair and her bouquet of Tree Swallow nestlings. UC Davis Russell Ranch

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