Today, one of my favorite places to observe pied-billed grebes during late spring and summer is Schoeneberg Marsh Waterfowl Production Area, which is located about three miles NE of Goose Pond. While this wetland is well known to southern Wisconsin birders as the summer home of a handful of the state-endangered red-necked grebes, it is also home to dozens of pairs of pied-billed grebes. Hike out to the observation deck at the end of the trail north of the Priem Road parking lot or walk to the north end of the Harvey Road remnant that begins at the parking area for Madison Audubon’s Erstad Prairie. When you arrive, stop, watch and listen. Chances are, you will hear pied-billed grebes before you spot one. They make several different calls, but the most commonly heard are the cuckoo-like “caow, caow, caow, caow, …” and the odd laugh-like rattily call.
Interesting tidbits:
The pied-billed grebe is the only extant member of the genus Podilymbus. The flightless Atitlán grebe (Podilymbus gigas) of Lake Atitlán in Guatemala was declared extinct around 1990.
A nesting pied-billed grebe that I banded at Rush Lake on June 6, 1980 was recovered April 1, 1981 at Seabury Creek, Alabama. The recovery site, located near Mobile Bay, is 906 miles south of Rush Lake. This bird probably spent the winter there.
Another Rush Lake pied-billed grebe, which I captured July 7, 1980 on a nest containing six eggs, was undergoing a complete wing molt. All old primaries and secondaries (i.e. the flight feathers) had been shed, and there was 10 cm of new feather growth of the outermost primary feathers. (Multi-tasking, I guess!)
Written by James Otto, Madison Audubon Goose Pond Sanctuary volunteer