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05/23/11
Celebrating a chilly International Migratory Bird Day
Filed under: General, Birding & Outdoors, Illinois, Birding "Patches"
Posted by: Ken @ 5:35 am

This is nearly the end our third and final week here in Illinois, and for the past several days I have been pretty much side-lined. The weather took a nasty turn, with cold rain and light frost two mornings last week, and on top of that I have come down with a nasty sinus infection that turned into bronchitis and asthma. Waiting for the antibiotics and inhalers to kick in does give me time to reflect upon the past two weeks. There is also a glimmer of hope that I can get out at least one more day before returning to Florida.

This past week, I can credit Mary Lou for finding the best bird of our Illinois visit, her 506th North American life bird. We were walking in the West Aurora Forest Preserve in Kane County, when we heard some loud cackling and squawking noises that persisted for about 10 seconds. They seemed to be from a bird, but were like nothing I had ever heard before. The nearest I could imagine would be a chicken-like species, but did not think that bobwhites or pheasants ever made sounds like that. Then, she spied a fairly large bird low in a tree right next to the trail. As it was partially hidden among the leaves, I almost dismissed it as a thrasher or a grackle. It flew a few yards to another tree and we noted its white undersides, plain brown back, and drooping tail. It lacked rufous in its wings, characteristic of the more common Yellow-billed Cuckoo.

Then it softly called “ku-ku-ku…ku-ku-ku…” and I recognized its call as that of a Black-billed Cuckoo:

Black-billed Cuckoo (Coccyzus erythropthalmus) 2-20110516

In addition to its all-black bill, it also had small under-tail spots and a red ring around its eye:

Black-billed Cuckoo (Coccyzus erythropthalmus ) 4-20110516

We also encountered a Swainson’s Thrush, with is drab brown back and tail and prominent eye-ring:

Swainsons Thrush 20110511

Celebrating International Migratory Bird Day this past weekend, I helped staff the Kane County Audubon Society booth at the Bird Fest. In anticipation of leading a bird walk, Mary Lou and I scouted out the planned route, located at Peck Farm Park in Geneva, Illinois. On a sunny and warm morning, two days before the Fest, we found lots of birds, some of which were seen up close and personal– just the kind of views that we hoped would enthrall the anticipated (mostly young) participants.

As we entered the path for the bird walk, we saw that Tree Swallows had occupied one half of a double-sided bluebird house:

Tree Swallow 20110512

The second member of the Tree Swallow pair stood guard in a small tree next to the nest:

Tree Swallow 2-20110512

For my forthcoming walk, I planned to provide my interpretation of the reason why the bluebird houses were placed back-to-back. Tree Swallows aggressively defend their nesting territory against all other bird species, but especially other Tree Swallows. It has been shown that pairing of bluebird houses, either back-to-back or only a few feet apart, and then leaving a space of some 100 yards before erecting another pair of boxes, may provide bluebirds a better chance at nesting in one of the paired boxes. It seems that the Tree Swallows are more tolerant of other species if they are able to successfully defend their territories against other Tree Swallows, and perhaps the two species assist each other in this defense. House Sparrows can disturb this plan, as they claim the boxes earlier in the spring, and usually are able to displace bluebirds. The sparrows should generally be removed if they begin to colonize the bird houses, as they can eventually displace all other species.

Indeed, the other half of the bird house had already been taken over by House Sparrows. The male was perched nearby:

House Sparrow 20110512

The kids love robins and they were singing all around the trails. I decided it would be fun if I asked them to close their eyes and try to identify all the sounds around them:

American Robin 20110511

I hoped the kids would be astonished by the sound and beauty of an Eastern Meadowlark:

Eastern Meadowlark 20110505

Red-winged Blackbirds are so easy to identify by sight and sound, were also abundant:

Red-winged Blackbird 20110513

American Goldfinches were numerous:

American Goldfinch 20110511

An Indigo Bunting sang from the lower branches of a tree next to the lake:

Indigo Bunting 20110510

Among the Little Brown Birds (LBBs) were a Song Sparrow…

Song Sparrow 2-20110512

…a Swamp Sparrow…

Swamp Sparrow 2-20110512

…and a partially hidden Savannah Sparrow, all readily distinguishable to a beginner by voice, if not appearance:

Savannah Sparrow 20110512

We heard the “CHE-BEK” calls of three Least Flycatchers:

Least Flycatcher 20110513

On the way back, we identified the “FITZ-BYEW” calls of two Willow Flycatchers in the small willows along a creek (the red barn is out of focus behind the bird):

Willow Flycatcher 20110512

A territorial Common Yellowthroat, singing one of the endless varieties of its “WICHITY-WICHITY-WICHITY” song peered up at us from beneath a shrub that we were sure would soon be a nesting site:

Common Yellowthroat 20110512

We had seen 32 bird species in the course of an hour, and I looked forward to the Bird Fest, only two days away. Unfortunately, a strong cold front rolled in the next day, and temperatures dropped from near 80 degrees into the 40s that afternoon. It rained during the night, and in the morning we set up our booth on the porch of the Peck Farm Park interpretive center, fighting high winds from the north and a wind chill in the low 30s that kept the crowds away. I led the 10:30 AM bird walk for five hardy participants. One was a little girl who wore a flimsy fleece jacket but who participated enthusiastically. After 15 minutes the others gave up, but she and her father kept with me as we tallied a paltry count of 13 species over a half hour. By then I was miserable with chills and fever, but her spirit was inspiring!

 

9 Responses to “Celebrating a chilly International Migratory Bird Day”

  1. Larry Jordan Says:
    Fantastic photo essay Ken! The Black-billed Cuckoo is simply magnificent! What a day you had scouting for the bird walk, it’s too bad the weather turned but that’s the way it goes sometimes, especially this year. The weather has been so unusual that most species are nesting about a month late here. On the other side, we have seen some species pushed down from the colder regions to us that we hardly ever see. Good information about the non-native House Sparrow here in the U.S. I always remove their eggs and nests until they give up on using my nest boxes. The pairing of the boxes is a good plan too.
  2. Fotokarusellen Says:
    Really a beautiful set of images. Great work.
  3. MaineBirder Says:
    All excellent photos! My favorite is the close up of the Cuckoo.
  4. Sprngman Says:
    Your spirit is inspiring and so are your immaculate photographs. This is such a consummate post that it is difficult to comment. The look into the eye of the Cuckoo is startling and every shot there after is perfectly posed. Good for you pushing yourself to volunteer your time and expertise under such poor conditions. Here’s hoping your health returns quickly. Bravo!
  5. Andrew Says:
    Beautiful images of your wonderful wildlife.
  6. Marias Teater Says:
    For every shot I see at your post I understand that I am in incredible company and I have to learn a lot! Fantastic pictures!
  7. Victoria Says:
    What a marvelous series of images… so lovely to see so many beautiful birds all in one post! All of the images are wonderful but I do like the Cuckoo close-up, the Eastern meadowlark (always a favorite bird of mine in the Western variety growing up in WY/MT) and the Red-winged blackbird (again, a childhood favorite and still a treat to see).
  8. Bill S. Says:
    What a great bunch of birds you guys got. It is always fun to bird with a bunch of good people. I love the Meadowlark singing its heart out. Looks like American Idol.
  9. Pat Says:
    Marvelous shots all, but that singing Meadowlark really stands out!

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