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Birds of the Lakeshore Nature Preserve
The University of Wisconsin-Madison Lakeshore Nature Preserve provides opportunities for students and the public to view a wide variety of birds in a relatively small area. The Preserve has multiple habitats, allowing it to support diverse populations of birds. The Preserve has woodlands (Picnic and Frautschi Points, Eagle Heights Woods), marshes (Class of 1918 Marsh, University Bay Marsh), open water (Lake Mendota, University and Second Point Bays), and prairie and open lands.
Over 255 bird species have been seen in the Preserve (see Bird Checklist). Most birds that regularly occur in south central Wisconsin have been found in the Preserve. Birding in the Preserve is best during migration. Migrants can be found anywhere in the area. The Preserve supports a diverse breeding bird population as well. During the 2000 to 2002 Breeding Bird Study, 81 bird species were confirmed or probable nesting birds.
The Lakeshore Nature Preserve is perhaps best known for its warbler migration. Between April 25 (some years a little earlier) and May 22 (some years later) 30 or more species of warblers are usually observed in the area, though not usually all at once. Rarer warblers such as Hooded, Cerulean, Yellow-throated, Black-throated Blue, Prothonotary, Mourning, and Connecticut are reported at least once most years. Picnic Point can have spectacular passerine migrant “fall out” in the spring. These unusual weather related events can isolate hundreds or thousands of migrating birds on the Point for several days, often allowing visitors to see 20 or more warbler species (and multiple individuals of many species) in a couple of hours in May. In the fall (August 20-Oct 5), Frautschi Point usually has more song bird migrants, but Picnic Point, especially the Picnic Point Marsh, also hosts migrants. When the winds are from the north, woodland migrating birds prefer Eagle Heights Woods. When the winds are from the south, these migrants can be found at the lake edge in Tent Colony Woods. In the fall the field edge can be productive for woodland migrants. The prairie, garden, and old fields support a diverse set of sparrows, especially from mid-September thru October.
Most waterfowl visit annually. The diving duck numbers and diversity are best late in the fall (mid-November until freeze up) and in spring immediately after the ice breaks up, when there are fewer boaters. Although University Bay is usually the best area for divers, Second Point Bay (between Picnic Point and Frautschi Point) should also be checked. The Class of 1918 Marsh supports a diverse population of dabbling ducks throughout the fall. Loons, grebes, gulls, swans, and coots can also be observed along the lake shore.
Shorebirds, terns, and wading birds can periodically be found at the Class of 1918 Marsh and University Bay, often at Gull Island by Willow Creek. Hawks regularly migrate through and can be best seen from the open areas and the Class of 1918 Marsh.
Neat bird facts
The Preserve Bird Checklist shows the seasonal abundance of 246 bird species and lists 12 accidental species. Fifty-five bird species nest regularly and 23 bird species nest in some years, based on the 2000-2002 Breeding Bird Study, which confirmed the breeding of 69 bird species and identified 12 as probably breeding in the Preserve (two of these species were subsequently confirmed). This checklist is based on volunteer observations over the past 25 years. At least 220 (87%) of these bird species were been observed between August 1999 and August 2001, when the primary data for the checklist were collected.
Please send reports of rare (indicated by a * on the checklist), accidental, and out of season birds to Roma Lenehan (find contact inforamtion at the Friends' website).
Download the 2006 Lakeshore Nature Preserve Bird Checklist
To learn more about the birds of the Preserve:
Text and image credits:
Author and checklist author: Roma Lenehan