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What About Male Rusty and Brewer's Blackbirds in the Spring?
Tune Up For Spring! Using eBird to Study Birds
Many of us know eBird as the app from the Cornell Lab of Ornithology that makes listing and sharing our bird observations easy. The eBird website also features useful information and ways to explore data: interactive maps, species profiles, and tools for analyzing sightings across years and geographic regions. But you may not know there are even more tools available to help you learn about birds.
Identification of Swallows in Flight
ID of Common and Forster’s Terns in Spring
Common Tern and Forster’s Tern are subtle birds that create a lot of confusion for birders, especially in places like Chicago where we see them both in small numbers during migration. The field marks for these species are subtle and variable, however even when people put in time to learn the field marks, they may struggle if they don’t know what to prioritize.