Increasing in size and severity, harmful algal blooms threaten both wildlife and people.
Why Birds Need Native Trees
The Carolina chickadee is giving scientists a model to study the impact of nonnative trees on food for breeding birds.
Making the Most of Migration
A top North American birder shares tips for spotting birds during the migration season.
Become a Purple Martin Landlord
Declining over parts of their range, these insect-eating, winged tenants need nest boxes more than ever.
When School is For the Birds
An NWF-certified schoolyard is helping bluebirds while inspiring their student caretakers.
Hummingbird Photo Tips
Two top professionals share their secrets for taking sharp photos of lightning-fast hummers.