Common terns drink while flying, dipping their bills in the water while on the wing. When drinking seawater they excrete the excess salt from their nostrils.
(Common tern)
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Common terns are territorial within their group and as a colony as a whole. This can have an added benefit to other bird species they share a nesting site with, as terns will often mob and drive off potential predators.
(Common tern)
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Puffins are highly social birds. When reintroducing them to their original range in North America, conservationists needed to simulate a colony using recorded puffin calls, mirrors, and artificial puffins to entice puffins to return to nest.
(Atlantic puffins)
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Cedar waxwings are named for the waxy substance on the tips of their wings.
(Cedar waxwing)
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American robins diet consists mostly of invertebrates and fruit.
(American robin)
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House sparrows have substantial physical differences from other sparrow species, originating from their close association with humans.
(House sparrow, male plumage)
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Common starlings are an invasive species in North America, originating from Europe.
(Common starling)
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Song sparrows have demonstrated culture exchange of songs.
(Song sparrow)
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Bobolinks nest on the ground in grassy fields.
(Bobolink, male plumage)
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Rodents have cheek pouches which can store a great deal of food.
(Eastern chipmunk)
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House sparrows prefer human-made nesting habitats over natural environments.
(House sparrow, female plumage)
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House sparrows trace their genetic origins to the Middle East and Central Asia. Despite their widespread, individual house sparrows rarely travel more than a few kilometers from where they are born.
(House sparrow, female plumage)
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Male ovenbirds will sometimes duet. When one male begins singing, another may join and continue for up to 40 songs. The pairing can be so close that from a distance it may sound as if only one bird is singing.
(Ovenbird)
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Red squirrels store their food in a single cache, while grey squirrels hide their food in multiple distributed caches.
(Red squirrel)
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Chipmunks live in burrows with multiple rooms, each with their own use.
(Eastern chipmunk)
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The ovenbird gets its name for its nest structure which is a domed structure similar to a Dutch oven.
(Ovenbird)
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Bald eagles are sometimes kleptoparasites, meaning they steal their food from other predators.
(Bald eagle, immature)
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Domestic goose ganders will place themselves between their offspring and any perceived threat.
(Domestic goose)
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Black and white warblers have an extra long hind claw, they also have heavier legs than other wood warblers.
(Black and white warbler)
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Passerine birds have three forward-facing toes and one rear-facing βhalluxβ toe.
(White-throated sparrow)
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Canada geese are well adapted to urban environments, establishing colonies on both urban and cultivated land.
(Canada goose, goseling)
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Domestic geese were originally bred for fecundity (ability to breed effectively), they can lay up to 50 eggs.
(Domestic goose)
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American robins alternate their diets between fruits and invertebrates.
(American robin)
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When first born, squirrel kits (babies) cannot open their eyes.
(Grey squirrel)
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Eastern phoebe were the first banded bird in North America (bird banding allows scientists to track individual birds by reading the number off a small metal band around a birds leg).
(Eastern phoebe)
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Canada geese tend to practice assortive mating, where mates are generally about the same size.
(Canada goose)
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American robins are actually a species of thrush, they are named for their resemblance (in coloration) to European robins.
(American robin)
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Some grackles use βantingβ to clean themselves. This involves letting ants crawl over their feathers to spread formic acid on parasites.
(Common grackle)
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Hermit thrushes may use βfoot quiveringβ to forage. Foot quivering involves shaking bits of grass to shake out insects.
(Hermit thrush)
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Squirrels are most closely related to the mountain beaver and dormice.
(Grey squirrel)
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White-throated sparrows typically nest on or near the ground.
(White-throated sparrow)
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Passerine (perching) birds make up over 60% of identified bird species.
(Chipping sparrow)
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All rodents have constantly growing front teeth (incisors) which need to be used to avoid them becoming too long.
(Eastern chipmunk)
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White-throated sparrows can mate with dark-eyed juncos, producing hybrids. These birds are a duller coloration than non-hybrids and have white outer tail feathers.
(White-throated sparrows)
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Common grackles can have a big impact on corn crops and feed on ripening corn and corn sprouts.
(Common grackle)
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Song sparrows have demonstrated cultural exchange, when a song popular among one population transmitted to another while the populations overlapped on a wintering ground.
(Song sparrow)
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Chipping sparrows typically nest low in a shrub or tree, but can also nest in a variety of structures (including human-made structures).
(Chipping sparrow)
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There are 52 identified subspecies of song sparrow.
(Song sparrow)
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A few days before pigeon eggs hatch, both parents will begin secreting a nutritious, milk-like substance from a gland near their beaks. This βcrop milkβ will feed the newborn chicks.
(Rock dove or pigeon)
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Osprey are primarily piscivores, meaning fish eaters. Their excellent eyesight can detect fish beneath the waters surface.
(Osprey)
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House sparrows have genetic links to the species likely origin place in the Middle East.
(House sparrow, female plumage)
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Rock doves (pigeons) mating display begins with the male (left) cooing and strutting to display for the female (right).
(Rock doves)
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Ospreyβs diet consists of 99% fish.
(Osprey)
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Goose fossils have been found ranging from 10 to 12 million years ago with some reaching up to 1.5 meters (5 feet) tall.
(Canada goose)
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Male house sparrows have a dark bib under their beak. Itβs size and darkness represents a birds seniority in a flock (larger and darker bibs indicate and older and more dominant bird).
(House sparrow, male plumage)
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Song sparrows typically learn and develop their songs based on their territorial neighbors.
(Song sparrow)
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Song sparrows are one of the most variable species in North America with 24 identified subspecies and 52 forms.
(Song sparrow)
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Thank you! What a beautiful picture! Honored that a photo I took inspired it!
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Red-breasted nuthatches nest in holes they make in trees. They often smear the edges of the holes with sap to protect their young.
(Red-breasted nuthatch)
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Setting your bird feeder near branches or other tree cover can help birds feel safer in foraging as they will have hiding spots nearby if a predator is in the area.
(Tufted titmouse)
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