May Birding Notes on Patch

Female ruby-throated hummingbird

My monthly Northfield Patch blog post, May Birding Notes, is now live. This month's edition discusses hummingbirds, orioles, bluebirds, sparrows, swallows, tanagers, warblers, hawks and vultures. May 6 was our first day this year to see both hummingbirds and orioles, and on May 12 I saw my first-ever orchard oriole in a large oak in the Carleton Arboretum.

Here's a preview:

Most of the spring bird migration has occurred, with a big last push expected this coming week. Our summer avian residents are now here. Here are some recent birding observations in and around Northfield:

Hummingbirds: We put out our hummingbird feeder at the beginning of the month, and I first noticed a hummingbird on May 6. Lately we have been seeing females numerous times a day, but sometimes also a male. The ruby-throated hummingbird is the only hummingbird to be expected in this part of the country. If you see one with a pale throat, it is the female. The irridescent red throat of the male can sometimes look purple or black, depending on the light.

Read the rest here.