Category Archives: Birds

Rare Bird Alert: Tricolored Heron

Photo of Tricolored Heron

Thanks to an email message from a fellow birder via the Maine Birds listserv, I got news of a Tricolored Heron spotted near Wharton Point in Brunswick around 1pm last Saturday. Tricolored Herons have long been scarce in Maine, but in recent years, sightings have been even fewer and farther between (and not by me since 2014), so I jumped at the chance to see one!

Based on the details of the earlier report and my previous experience birding Wharton Point (where I saw my first Long-billed Dowitcher last fall), I located the white-bellied heron resting on the edge of a marsh pool a short walk east from the parking area. Though it started to drizzle during my viewing, I managed to document this coastal rarity. I hope you enjoy the photos.

To learn more about these striking wading birds, check out this Audubon profile page. To view the following images in full-size, click here.

Diving Ducks: Common Eider

Photo of Common Eiders

Common Eiders are the largest ducks in North America. Adult males stand out in their black-and-white breeding plumage (also note their greenish nape), whereas brown-patterned females are easy to miss, especially when resting on seaweed-covered rocks. Immature males are mostly dark with a noticeably white chest.

Common Eiders spend much of their time close to shore, often frequenting coastal harbors, where they dive to feed on various shellfish, like Blue Mussels, and assorted crustaceans, like Green Crabs and Atlantic Rock Crabs. Back in 2014, I filmed a pair at the public beach in Biddeford Pool.

Visit All About Birds to learn more about these familiar saltwater ducks. To view the following images in full-size, click here.

Diving Ducks: Hooded Merganser

Photo of Hooded Merganser (male)

Hooded Mergansers are compact diving ducks who specialize in catching and consuming small fish and other aquatic prey. They spend winter in marshes and along rivers, and after ice-out they move to secluded wooded wetlands where they seek out a natural cavity (or nest box put up by people) in which to nest. Females lay about a dozen eggs, but nests may occasionally contain many more eggs, with contributions from several hens. Shortly after hatching, the fluffy ducklings leap from their natal cavity and, if they don't drop straight into the water, follow their mother to a nearby wetland.

To learn more about these cavity-nesting water birds, visit All About Birds. To view the following images in full-size, click here.

Falcons: Merlin

Photo of Merlin
Biddeford, ME | 5 Mar 2017

When I think of a Merlin, I think of speed and stealth. Though the larger Peregrine Falcon has a higher top speed (especially when in a stoop), a Merlin flies with unparalleled intensity. Jenny and I once witnessed one cruise in from a coastal island in pursuit of an unidentified bird and were amazed with the arrow-like flight-path of the constantly flapping bird.

Merlins frequently hunt low to the ground and use their speed to surprise and/or chase down small songbirds and shorebirds. Their diet also includes dragonflies and small mammals. As rare nesters in New England, most Merlins are seen during fall and spring migration, and in small numbers during the white season.

To learn more about these aerial experts, visit All About Birds. To view the following images in full-size, click here.

White Season Birds: Iceland Gull

Photo of Iceland Gull (immature)

Iceland Gulls are uncommon but regular white season visitors to parts of New England. Along with Glaucous Gulls, they're referred to as "white-winged" gulls, as all ages have light-colored wings with little to no dark markings.

Iceland Gulls take 4 years to acquire adult plumage, and for their 1st year are a generally evenly patterned off-white to tan color with pink legs and a dark bill (see photo above and gallery below). Adults have a mostly white body, a gray mantle, gray upper wings (with/without limited black at primary tips), and a yellow bill with a red spot.

Photo of Iceland Gull (adult)
Three photos stitched together of one adult Iceland Gull

Size-wise, Iceland Gulls average smaller than Herring Gulls, and larger than Ring-billed Gulls. Paying close attention to wing-tip color, try to spot the immature Iceland Gull in this coastal congregation. Can you identify all 5 gull species pictured? (See the answer below).

Photo of Mixed Gulls

To learn more about Iceland Gulls, visit All About Birds. To view the following images in full-size, click here.

Answer: The photo contains (from smallest to largest): a Bonaparte's Gull, Ring-billed Gulls, an Iceland Gull, Herring Gulls, and Great Black-backed Gulls.