Nature: Blue jays eat and spread acorns, helping many oak trees grow

Blue Jay — Madison Audubon

The birds and the trees

Blue Jay Overview, All About Birds, Cornell Lab of Ornithology

Chippewa National Forest - Maps & Publications

Acorns – Eliza Howell Nature Walks

Jays Airlifting the Oaks - Pennsylvania eBird

Acorns – Eliza Howell Nature Walks

All About Blue Jays: Are They Actually Blue? - Nature Canada

WCLT - Nature Notes 10/14/2011 - Blue Jays harvest acorns

A Blue Jay's Favorite Snack Mass Audubon – Your Great Outdoors

Blue Jay — Madison Audubon

From History and Legends to My Own Front Yard: The Beautiful Oak - JCCWilliamsburg Master Gardener Association