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anaturalist.bsky.social
a Neighborhood Naturalist
@anaturalist.bsky.social
Capturing wildlife moments both close to home and far afield.
aneighborhoodnaturalist.com
Birds have a nictitating membrane, a third eyelid, that extends up over the eye to protect it in certain conditions. Sharks have a similar membrane.

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April 16, 2026 at 12:12 PM
There are two color morphs of white-throated sparrow, each of which has distinct behavior profiles.

(White-throated sparrow)

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April 14, 2026 at 10:59 AM
Northern cardinals use their piercing ‘chip’ call as a way to locate their mate.

(Northern cardinal, female plumage)

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April 12, 2026 at 11:26 AM
Male house sparrows ‘bib’ of black feathers is larger for older and more senior members of flocks.

(House sparrow, male plumage)

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April 11, 2026 at 12:55 PM
Female house finches will often mimic the body language of a starving chick during courtship.

(House finch, male plumage)

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April 10, 2026 at 10:08 PM
The turkey vulture is the most widely distributed of the western hemisphere vultures, with a range extending from southern Canada to the tip of South America.

(Turkey vulture)

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April 9, 2026 at 12:11 PM
House sparrows often dust bathe, throwing dust and soil over themselves to dislodge parasites. They will sometimes defend the depressions they generate while bathing.

(House sparrow, male plumage)

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April 8, 2026 at 12:05 PM
Eastern bluebirds are actually a species of thrush, making them related to the American robin.

(Eastern bluebird)

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April 7, 2026 at 11:47 AM
Despite their large stature Great Blue Herons weigh approximately 5 to 6 pounds (2.3 to 2.7 kilograms).

(Great Blue Heron)

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August 18, 2025 at 12:02 PM
There are no recognized subspecies of Eastern kingbird.

(Eastern kingbird)

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August 14, 2025 at 12:19 PM
Many bird species have a nictitating membrane, a secondary eyelid which covers the eye during feeding.

(Common grackle)

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August 13, 2025 at 11:46 AM
Canada geese prefer urban environments in winter as urban areas retain a greater amount of heat.

(Canada goose gosling)

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July 29, 2025 at 10:44 AM
Turkey vultures lack a syrinx (a bird’s vocal organ), so their vocalizations consist of primarily of grunts.

(Turkey vulture)

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July 29, 2025 at 10:35 AM
A group of grackles is called a ‘plague’.

(Common grackle)

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July 29, 2025 at 10:28 AM
The Expedition Store now has stickers! Take home any (or all) of these sticker sets in large or small sizes and take the field with you wherever you go!
All stickers are water and scratch resistant and ship for free by USPS!

aneighborhoodnaturalist.com/store
July 18, 2025 at 9:24 PM
Male gray catbirds have a loud and quiet song. The loud song may last for as long as 10 minutes and is used to establish territory. The quiet is used mostly near the nest and hatchlings and the female may copy its tones back to the male.

(Gray catbird)

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July 18, 2025 at 9:15 PM
House sparrows were first introduced to the US when 8 pairs were released in Brooklyn, NY in approximately 1851.

(House sparrow, male plumage)

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June 10, 2025 at 11:02 AM
The American robin population in North America is estimated at over 370 million individuals, more than one bird for every human in America (based on 2019 census).

(American robin)

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May 29, 2025 at 10:40 AM
Eastern kingbirds will aggressively mob predators and scavengers in the area of their nest.

(Eastern kingbird)

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May 23, 2025 at 11:02 AM
When not breeding, bluebirds are very social and can associate in flocks of hundreds of individuals.

(Eastern bluebird)

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May 22, 2025 at 10:47 AM
Red-tailed hawks display size related sexual dimorphism, with females being roughly 25% heavier than males.

(Red-tailed hawk)

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May 21, 2025 at 7:18 PM
One of the 52 subspecies of song sparrow in North America is on the Aleutian Islands of Alaska and is significantly larger than other species.

(Song sparrow)

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May 20, 2025 at 11:41 AM
Northern mockingbirds can recall a repertoire of over 200 sounds during their lifespan.

(Northern mockingbird)

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May 19, 2025 at 9:58 AM
Osprey have small spikes under each talon to help grip their primary prey, fish.

(Osprey)

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May 16, 2025 at 10:44 AM
Mallard ducks are the ancestors of almost all domestic duck species.

(Mallard duck, duckling)

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May 15, 2025 at 9:22 PM