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Posts Tagged ‘White-faced Ibis’

A friend invited me to join him duck hunting this past weekend on the Sutter National Wildlife Refuge.  I have never hunted the Sutter Refuge, and was excited to explore some new ground.  Leaving West Sacramento at 2:30 am , I drove up to meet him.  In the darkness of early morning, long before dawn, we walked out into the marshes to find a place that would hopefully be very attractive to ducks.  We found a small island, scattered our duck decoys in the water around us, and nestled in to wait for dawn.  As the sky lightened, the birds started moving.  We had a few groups of ducks fly by, but the really impressive flocks were the White-faced Ibis!  Thousands of them flew over is that morning.  Big flock after bigger flock swept over us all heading to the south.  It was a very impressive show.  We also saw Ring-necked Duck, Northern Shoveler, Greater White-fronted Goose, Mallard, Bufflehead, Double-crested Cormorant, Belted Kingfisher, Black Phoebe, White-crowned Sparrow, Turkey Vulture, Savannah Sparrow, Lark Sparrow (my first of the fall), American Coot, Snow Goose, American Wigeon, Red-tailed Hawk, Sharp-shinned Hawk,  Northern Harrier, White-tailed Kite, Red-winged Blackbird, Marsh Wren, Great Horned Owl, Great Blue Heron, Snowy Egret, Great Egret, Tundra Swan, and Yellow-rumped Warbler.  By the end of the morning, my friend had shot a male Mallard, but that was the only bird of the day.  As I sat there, not shooting any birds, I was struck again by how many species benefit for these refuges.  While a large portion of their funding comes from the sale of hunting licenses and permits, hundreds of non-game species use the habitats that are preserved withing their boundaries.

The Sharp-shinned Hawk was an especially exciting encounter.  She (it was an adult female) was hunting the marshes as we were.  She was flying low to the ground or across the surface of the water, moving from stand of tule to brush covered island in the hope of startling some prey out of cover.  It was really amazing to watch how she used tall stands of plants as cover.  She would fly low towards one such stand and then, at the last possible moment, fly up and over it and drop down onto the other side.  One of the islands she decided to explore was the one we were sitting on.  She flew directly at me, and just saw me at the last second when she was only a few feet away.  She was rather surprised to see someone crouching in the plant cover, and flared up and over me to hunt elsewhere.  What great look!

On the walk out, I found a large growth of Oyster Mushrooms (Pleurotus ostreatus) growing on a dead and fallen cottonwood tree.  I gathered some of them and brought them home, so at least I did not return completely empty handed.  These were the first mushrooms that I have collected this fall, and I am hoping that they signal that it is now wet enough to bring out many more.  The mushrooms ended up being part of dinner stir-fried with a little garlic, and also lunch the next day added to polenta (which was awesome).  Finding these mushrooms really drove home the point for me that it is not even just game bird species and non-game bird species that benefit from the National Wildlife Refuge system, but whole ecosystems filled with plant, animal, fungi, Bacteria and Archean species.  Thousands and thousands of them living their intricate lives so close to our own.

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I was out walking at the Yolo Bypass National Wildlife Refuge, yesterday, and was treated to the sight of a flock of about 30 White-faced Ibis flying overhead. This is one of the species that I always look forward to seeing in the summer, here in Central California. They are beautiful and elegant birds, and seeing them always seems somewhat exotic feel, like you are in the tropics somewhere. The breeding range of this ibis is highly variable from year to year depending on water levels and food availability. Large numbers may nest in a general area one year, and none may be there the next. The total range that they can potentially breed in encompasses a huge area of the western U.S. This makes monitoring of their population levels rather hard because any survey would have to regularly cover the entire potential breeding area to accurately count the actual number of birds in any given year. No small task! Due to the fact that the White-faced Ibis often feeds in agricultural lands, they may be exposed to many of the pesticides and fertilizers that are used in growing our food. This heightened exposure potential makes them a possible “canary in the coal mine,” and so a particularly important species to monitor. This species’ winter range mostly resides in Mexico, and little or nothing is known about this part of their annual cycle, a fact that is true of so many bird species. A wonderful bird that I hope you all can get out and enjoy before they head south in a few weeks!

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