Monarch butterflies now leaving Pennsylvania for a journey of more than 2,000 miles to mountains in Mexico will find a new protected corridor waiting for them south of the border. The Rainforest Trust ...
A ruby-throated hummingbird visiting a hummingbird feeder. Brave monarch butterflies and hummingbirds' northern migration is well underway, much to the delight of Pennsylvanian birdwatchers and ...
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