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November Field Trip Sightings
Here is a list of birds seen on the Audubon Society of Omaha field trip Saturday, November 11 in Sarpy County along the Hwy 370 corridor:
- Bald Eagle - Red-tailed Hawk - Osprey (Saw it at Shadow Lake and saw it catch a fish) - Canada Geese - Mallard - Wood Duck - Redhead - A. Wigeon - Common Loon (Walnut Creek Recreation area) - Hooded Merganser - Common Merganser - Red-breasted Merganser - Ring-necked Duck - Lesser Scaup - Gadwall - Canvasback - Bufflehead - Ruddy Duck - Killdeer - Coot - Horned Grebe - Pied-billed Grebe - White Pelican - Great Blue Heron - Ring-billed Gull - Belted Kingfisher - A. Crow - Blue Jay - DE Junco - A. Tree Sparrow - N. Cardinal - A. Goldfinch
As scientists have now shown, songbirds are minimalists when it comes to learning a new song. The birds' learning strategy resembles the methods used by computer scientists for document comparison.
A British enthusiasm for feeding birds may have caused UK great tits to have evolved longer beaks than their European counterparts, according to new research. The findings identify for the first time the genetic differences between UK and Dutch great tits which researchers were then able to link to longer beaks in UK birds.