Kleinstuck Spring Migration Bird Surveys

Started in 1973, this survey covers the entire spring migration period and, over the years, has documented 209 species. Check back for weekly updates from April -May each year!

See the 2021 Kleinstuck Report here >

See the 2022 Kleinstuck Report here >

See the 2023 Kleinstuck Report here >

2025 Kleinstuck Preserve Spring Bird Survey

Wood Duck

April 11 – 27 2025

The past 10 days we have added 15 new species which included a couple of early arriving Warbler species (Black-throated Green Warbler and a Northern Waterthrush).  The Broad-winged and Cooper’s Hawks are setting up nesting territory again and two Great Horned Owls young have fledged and can be seen quite regularly moving around the trees…

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March 19-27 2025

Another year of Kleinstuck Surveys has started!  Over the first week I had 43 species which are listed below.  The end of March always has a mix of birds that have either overwintered here or are some early season migrants. These early season migrants are the Fox Sparrow, Golden-crowned Kinglet, White-throated Sparrow and Winter Wren. …

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