American redstartsBy Leslie Day

The next to the last day of September, I was walking in Fort Tryon Park in Washington Heights from the Heather Garden, and just before I got to Sir William’s Dog Run, my eye caught a movement high up in the northern red oak tree. Warblers! Knowing it’s migration time for insect and nectar eating birds – ie. warblers, flickers, kinglets, hummingbirds – I never leave home without my trusty, light-weight, pocket binoculars. Let me tell you, it is challenging keeping your binoculared eyes on moving warblers. The balletic pattern of one of the warblers foraging in the oak tree made me think REDSTART! These tiny birds, black and red male, gray and yellow females, flash their tails and dive up and down, in and out, gleaning insects from the leaves. It was a lovely female redstart fanning her bright yellow tail and flitting, butterfly-like, from leaf to leaf.

There was another warbler with a different type of motion. Catching up to him with my eyes, I see it is a male northern parula warbler; gorgeous little fellow with olive shoulders and back, blue-gray head, bright yellow belly turning orange up by his neck with a black necklace. What a find!

The next afternoon I met Kellye Rosenberg leading a tour for New York City Audubon. We met at the saltmarsh of Inwood Hill Park, at the northernmost tip of Manhattan Island, right next to the shipping canal that connects the Harlem River with the Hudson River at Spuyten Duyvil. So much to see there. The week before, birding with my friend Elizabeth White-Pultz of the Inwood Birders group, we saw a marsh wren and a pair of common yellow-throat warblers hanging out in the marsh grass, flowering goldenrod and asters. Columbia University has their boathouse there with a new kayak dock used by the rowing crews and the public. Columbia has housed their boats up there since the late 1920s. Across the Harlem River you can see a giant blue and white letter C painted in 1952 by Robert Prendergrast, Columbia medical student and coxswain of the rowing crew, painted on the massive Fordham gneiss outcropping. From the marsh we walked up into the verdant hills of the park and after we entered the deeply forested paths we found black-throated blue warblers male and female redstarts, northern flickers, and a white-breasted nuthatch.

black-throated blue warbler CPMay1510_0091
Fall migration happens more slowly than spring migration, when literally hundreds of millions of birds take the aerial route known as the Atlantic flyway from their winter feeding grounds in South and Central America to their northern breeding grounds in the middle Atlantic states, New England and Canada. Flying over New York City, they drop down in huge numbers in our parks to feed and rest, and sometimes stay, nest and raise their young until it is time to make their journey south in order to find food throughout the winter. And so it is that birds leave our area, not because it is too cold in winter – after all they are covered in a layer of down, just like our down coats that keep us warm and cozy in January, February and March. But they cannot find the food they need: insects and other invertebrates, fish, amphibians, small mammals. In addition to watching migrating warblers and other song birds, during fall migration you can join groups looking at migrating hawks, eagles, and owls; egrets, herons and shorebirds. And from the far north come our wintering birds that are able to survive the cold months in New York City. Small flocks of tufted titmice, white-breasted nuthatches, and black-capped chickadees descend on our wooded parks. And in autumn and winter we make way for ducks, geese and swans! Wood ducks, northern shovelers, hooded mergansers, ruddy ducks, snow geese, brandt geese and mute swans flock to our wetlands to find food when their summer territories freeze over. They are not alone. More and more we are seeing bald eagles along our coast in winter.
p. 292 figure 275 northern parula male CPMay0311_0246

And of course we have our year-round birds who are able to find seed, nuts, and dried fruit even in winter: blue jays, house sparrows, crows, starlings, pigeons, cardinals, downy, hairy, and red-bellied woodpeckers, mallard ducks and Canada geese. And let us not forget our birds of prey that are here all year: red-tailed hawks, cooper hawks, sharp shinned hawks, peregrine falcons, American kestrels, great horned owls, saw-whet owls, and screech owls. New York City, as it turns out, is a birding haven throughout the seasons. So take a walk with or without binoculars and you will start to see our lovely and interesting feathered neighbors.

 

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Leslie Day is author of Field Guide to the Natural World of New York City; Field Guide to the Street Trees of New York City; and the Field Guide to the Neighborhood Birds of New York City, Johns Hopkins University Press, now available in bookstores and online. http://www.fieldguidenyc.com
  1. October 23, 2015

    Great article. Thanks Leslie.

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