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silver green leaves of big sagebrush

Big Sagebrush Shrub

Denver, Native Plants, Prairie, Summer, Willow Spring Open Space

The Big Sagebrush shrub is well adapted to the dry plains. It is recognized in most seasons by its silver-white leaves and the twisted woody stems.

Big Sagebrush Shrub Read More »

American Robin

American Robins

Denver, Roxborough Park, Willow Spring Open Space

American Robins have dark heads, wings and tail and brick red breasts. They are more comfortable with people than some other birds and sing from early morning to after sunset which allows them to be more well-known than other birds.

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beaver dam and pond at sunset

Willow Spring Open Space late April 2021

Birds, Native Plants, Spring, Willow Spring Open Space

The Willow Spring Open Space, as experienced at noon and at sunset in late April, 2021 had many birds and animal signs to see and was magical in the moonlit evening.

Willow Spring Open Space late April 2021 Read More »

red-winged blackbird in song - displaying red feathers

Red-winged Blackbirds

Denver, Mountain Forests, Riparian, Willow Spring Open Space, Year-round

Red-winged Blackbirds are known as marsh birds, and that is where you will find them in the Willow Spring Open Space. If you look among the willows and cattails, you can see and hear their large numbers.

Red-winged Blackbirds Read More »

American Kestrel

American Kestrels

Denver, Roxborough Park, Willow Spring Open Space

American Kestrels are small falcons. The males have a rusty back and blue-gray wings and can often be seen on fence posts or hovering in the air over their prey.

American Kestrels Read More »

Male mallard

Mallards

Denver, Riparian, Willow Spring Open Space, Year-round

Mallards are ducks which frequently are seen in pairs. That’s helpful, because the female is easily confused with other ducks, but the male has a bright metallic green head and neck.

Mallards Read More »

Red-tailed hawk high in a tree

Red-tailed Hawks

Denver, Mountain Forests, Roxborough Park, Willow Spring Open Space

If you see a large bird soaring above the Willow Spring Open Space, chances are good that it is a Red-tailed Hawk. As it turns, you may be able to notice the rust colored tail that the name describes.

Red-tailed Hawks Read More »

American crow on a branch

American Crows

Denver, Mountain Forests, Roxborough Park, Willow Spring Open Space

American Crows are large black birds that travel in flocks called a “murder” of crows. Their distinctive “caw caw” sometimes announces them before they are seen.

American Crows Read More »

Black-billed Magpie sitting on low bush

Black-billed Magpies

Denver, Mountain Forests, Roxborough Park, Willow Spring Open Space

Black-billed Magpies are large birds that are easily recognized by their striking black and white colors along with their long tails.

Black-billed Magpies Read More »

black capped chickadee

Black-capped Chickadees

Denver, Roxborough Park, Willow Spring Open Space

Black-capped Chickadees are small, cute, active birds that visit bird feeders in the neighborhood and also forage in thickets and low branches of trees.

Black-capped Chickadees Read More »

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Thanks for visiting Naturalist Perspective! I’m Sharon, and I hope you find the information here makes going outside in Colorado more enjoyable. Read more ->

Naturalist Newsletter

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    The View at 9,000 feet – Fall 2024
    Fall at 9,000 feet elevation in the Colorado mountains is a beautiful time to see golden Aspen trees, a few remaining flowers and watch the birds.
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    Signs of Life in Willow Spring Open Space – December, 2023
    Even in the cold winter, predator birds and mammals are out at Willow Spring Open Space.
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    During a pleasant early fall visit to the Willow Spring Open Space in mid-September 2021, plants were starting to show signs of fall, and the Prairie Dogs were active.
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    The Willow Spring Open Space in late June 2021 was a birder's delight!
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    Willow Spring Open Space June 2021 – Lush green grass and blooms!
    The Willow Spring Open Space in June had many kinds of flowering plants and lush grasses.

Recent Posts

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