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Outstanding owls
A barn owl ( Tyto alba ) captured by one of our wildlife cameras at the Borderlands Wildlife Preserve. There are approximately 200 species of owls recognized around the world that are found on every continent except Antarctica. They’ve adapted to thrive in all types of habitat, from snowy tundra to dense jungles, nesting in everything from saguaro cavities to palm tree bootjacks. Across their taxonomic order, Strigiformes, owls exhibit remarkable diversity in size, plumage an
Aspen Thies
Oct 145 min read


Middling monsoons still bring a spectacular summer to the borderlands
This summer’s monsoons were few but far between — starting off strong and raising hopes in July, the storms were nowhere near significant...
Aspen Thies
Sep 152 min read


Species Highlight: Skunks
As someone who has never been sprayed by a skunk, it is easy for me to gush about how cute and small and fluffy they seem, although I...
Aspen Thies
Aug 85 min read


Summer peregrinations: Wildlife need to beat the heat too
Summer is a season of transition for many animals in the Sky Islands. As temperatures drastically rise, many animals hike into the...
Aspen Thies
Jun 164 min read


Species Highlight: Gray Hawk (Buteo plagiatus)
The Watershed Restoration Crew works throughout the borderlands, and recently we had a streak of gray hawk sightings — we collectively...
Aspen Thies
May 202 min read


The resilient hope of spring in the borderlands
I felt like I was waiting for winter to start all year, and finally felt it during one snow storm in late March, then I blinked and...
Aspen Thies
Apr 142 min read


Banding together
In the rugged landscape of the borderlands, where weather and resources are unpredictable, animals have learned to adapt and survive...
Aspen Thies
Mar 152 min read


Lions and deer and bears, oh my!
Last year was marked by some larger-than-life visitors to Borderlands Wildlife Preserve, including many white-tails and mulies, but we...
Aspen Thies
Jan 243 min read


Grateful for Grasshoppers
During my first year as a restoration technician in the Borderlands Restoration Network Watershed Restoration Program, I became obsessed...
Aspen Thies
Nov 25, 20244 min read


Species Highlight: The Gray Fox
Gray foxes (Urocyon Cinereoargenteus) are adept at navigating a variety of environments, from dense oak woodlands to sparse deserts and...
Aspen Thies
Oct 23, 20243 min read


Bird Baths
After a day of working in the field during the summer, nothing feels better than taking an ice-cold shower when you get home. I am sure...
Aspen Thies
Jul 10, 20242 min read


Apex vs. Mesopredators
Most often, apex predators like mountain lions, bears, and wolves dominate the news. That is because they dominate the food chain -...
Aspen Thies
Jun 20, 20243 min read


Birds of a Feather: Color
Spring swiftly turned into summer, and the local birds are putting on their best suits as they molt their feathers in time for the...
Aspen Thies
May 13, 20243 min read


Beavers on the Border
Even as an Arizona native, the thought of finding beavers in the riparian areas of the borderlands never occurred to me. Even seeing them...
Aspen Thies
Apr 22, 20243 min read


Spring Bird Migration
As the snow atop the Sky Islands begins to melt and the world awakens to the warmth of longer days, the skies above Arizona will be...
Aspen Thies
Mar 21, 20243 min read


Celebrating World Wildlife Day
Every year on March 3, the world comes together to celebrate World Wildlife Day, an occasion dedicated to raising awareness about the...
Aspen Thies
Feb 26, 20242 min read


Snowy Structures at BWP
The Borderlands Wildlife Preserve was tucked in with a beautiful blanket of snow early this year. While it was quite literally freezing...
Aspen Thies
Jan 18, 20242 min read


Snow Birds
As seasons change and temperatures drop, many animals prepare for the holidays by bulking up and hunkering down or migrating to warmer...
Aspen Thies
Dec 19, 20232 min read


Playing possum or o-possum?
The common names for wildlife are ubiquitously confusing - and the possum vs opossum debate is the perfect example. So, which is correct?...
Aspen Thies
Nov 17, 20232 min read


Turning a New Leaf
My name is Aspen Thies, the Watershed Restoration Program Coordinator at BRN and have recently been given the opportunity to manage our...
Aspen Thies
Oct 20, 20232 min read
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