Sunday, April 24, 2016


Hello birding friends,

Moderate-to-heavy concentrations of birds migrating over all of Illinois tonight! The southern half of the state is experiencing HEAVY to locally EXTREME densities of bird migration while the northern half of the state is more along the MODERATE to locally HEAVY part of the spectrum. Wherever you are tomorrow, try to get out birding because there should be an evident turnover! There is a good (I'd say 50%) chance that the first real wave of warblers will hit northern Illinois tomorrow morning.

Good birding,
Henry Griffin (Oak Park, Cook County)

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