Science of summer: How blue jays plant forests
Ottawa Citizen

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By Tom Spears, Ottawa Citizen, July 18, 2016

This summer, Postmedia’s Tom Spears brings you the often offbeat science behind the season that calls us to go outdoors. It’s all part of a series we call the Science of Summer. Today’s story is on how trees can grow far from where their seeds fall.

If you have a favourite oak tree where you live, thank the local crows, ravens and especially the jays. They likely planted it.

And now a biologist says one great way to restore a forest damaged by cutting is to bring back some of these birds, because they help trees to spread.

http://ottawacitizen.com/news/local-news/science-of-summer-how-blue-jays-plant-forests