Warren County

Blackthorn Hill Nature Preserve

Good scrub, small prairie and decent river-bottom woods habitat. Species found here include Carolina Wren and Barred Owl. Can be good for migrating passerines.

View Illinois Birding Map in a larger map

Warren County

Cedar Creek Bridge

In a county that is largely agricultural fields, riparian woodland like this is hard to come by. During migration, this area can be very good for warblers and other migrating passerines. Residents species include Carolina Wren.

View Illinois Birding Map in a larger map

[Continue reading…]

Warren County

Monmouth Sewage Pond

To view this pond, park in the little pulloff on the west side of 80th St. at the southeast corner of the pond. Note that the pond is behind a high berm, and you can’t see it from the road. Be careful when approaching the top of the berm, as there may be birds on

[Continue reading…]