Neighborhood Nature

Our Family's Nature Blog

The Birds Made it Feel Like Fall at Columbus Park October 5, 2009

Both the weather and the birds made it feel like fall at Columbus Park as I monitored birds there this morning.

The weather was sunny, but temperatures were still in the 40s when I arrived. I forgot my hat and — although the sun is lower in the sky now — I managed to get a mild sunburn on my bald spot during the three and a half hours I was there.

Columbus Park’s birds are taking on a mid-fall flavor as summer residents are leaving and later migrants and winter residents are arriving. I saw my first-of-season Brown Creepers and Yellow-bellied Sapsuckers today — and I flushed at least two migrant Woodcock from the Austin woods. I did not see Catbirds or Swainson’s Thrushes today, but I did see a Hermit Thrush. Robin numbers have dropped from more than 100 a few weeks ago to 12 today. Late-season warblers, like Yellow-rumped and Palm, were everywhere, but other warblers were hard to find. And the Wood Duck family that grew up on the lagoon this summer is gone, but Canada Goose numbers continue to increase. (We will probably have more than 400 geese on the golf course this winter.)

As hawks migrate to and through Columbus Park, it becomes a “landscape of fear” for small birds and mammals. Today a Cooper’s Hawk and Sharp-shinned Hawk were hunting small birds, and a juvenile Red-tailed Hawk was trying to catch tree squirrels (without much success). I also saw an adult Red-tail spiraling upwards over the south end of the golf course and then heading southeast, perhaps continuing its migration.

Of course, there will be many more changes over the next few weeks. For instance, we’re still waiting for our first Dark-eyed Juncos and American Tree Sparrows of the fall, and both of those species should spend the most of the winter in the Park. When the down has settled after fall migration, we expect to have about 20 species of birds remaining in Columbus Park. That’s less than a third of the 65 species we saw during September.

—–

As always, you can find complete daily, monthly, and yearly summaries of our eBird data for Columbus Park on this page.

You can read more about Columbus Park here and  here. You can also read pages 15-16 in The Chicago Region Birding Trail Guide, a BIG pdf file you can get here.

 

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