As an Important Bird Area, Boyce Thompson Arboretum and the adjacent Arnett and Queen Creeks are known for spectacular birding opportunities.
Some 275 different species have been sighted. Guided bird walks take place between October and May.
Named the “most enchanting” Audubon Important Bird Area in Arizona, Boyce Thompson Arboretum provides important habitats and resources throughout the year, qualifying the site under the criteria “exceptional seasonal diversity of land-birds,” as well as “outstanding land-bird stopover site.” BTA’s riparian habitat, which provides for riparian-dependent species as well as rare and threatened species, is an exceptional example in a state where these important areas account for only one percent of land area. Of the 275 species recorded in the IBA, 62 are species of Special Conservation Status in Arizona.
This combination of high species richness and occasionally high numbers of migrants is ecologically significant and provides a remarkable opportunity for visitors to observe and learn about birds.
Your support helps us to protect birds and wildlife—and their habitats—and to educate the conservation leaders of tomorrow.
Every visit supports research, and environmental education, and directly benefits the mission and success of Boyce Thompson Arboretum.
Guided bird walks are an ideal way to get into birding or to sharpen your skills! Join birding experts on scheduled walks from October through May. Beginners are welcome. No binoculars? No problem! Ask in our gift shop when you pay admission; loaner binoculars are available.
The Eucalyptus caesia is a true showstopper in bloom! Native to Western Australia, this small and graceful tree enchants with its silvery, powdery bark, and cascading pink or red flowers. These blossoms aren’t just a feast for the eyes—they’re also essential to pollinators like bees and birds, playing a vital role in their ecosystem.
See What Everyone’s Talking About! The Wallace Desert Garden at Boyce Thompson Arboretum is a 13-acre masterpiece featuring over 5,000 plants from the world’s most arid regions.
Visitors say it’s “breathtaking” and “a must-see for nature lovers.” Walk among towering saguaros, vibrant succulents, and rare, endangered plants carefully curated to showcase the beauty and resilience of desert life.
Did You Know? This garden preserves plants that are vital to global desert ecosystems and offers a glimpse into sustainable landscaping for the future.
Don’t just wonder what it’s like, plan your visit today, and experience why this garden is one of the most talked-about attractions in the region.
The hedgehog cactus, particularly species like Echinocereus fasciculatus var. boyce-thompsonii, holds a rich legacy deeply intertwined with the history of Boyce Thompson Arboretum. This cactus was among the first planted at the arboretum in the 1920s and remains a symbol of our dedication to the preservation and appreciation of desert plants. Native to arid regions, these cacti are renowned for their stunning blooms and unique adaptations to survive harsh environments.
At the Arboretum, we take pride in conserving these iconic plants. Many species of hedgehog cactus, such as Echinocereus triglochidiatus var. arizonicus, are listed as endangered due to habitat loss and illegal harvesting. Our propagated plant sales program serves as a crucial initiative to combat this issue, providing sustainably grown cacti for the public while protecting wild populations. Additionally, cacti salvaged from construction sites are nurtured and given a new lease on life within our collections.
By supporting ethical propagation, research, and education, we aim to prevent further exploitation of these desert treasures. However, the challenges of conservation require a collective effort.
You can play a vital role in protecting the hedgehog cactus and other desert plants:
1. Avoid purchasing plants taken from the wild. Support organizations like ours that offer sustainably propagated specimens. 2. Contribute your time or resources to help our conservation programs thrive. 3. Educate others about the importance of desert plant conservation and the threats posed by habitat destruction and illegal harvesting.
Let’s ensure the beauty and resilience of the hedgehog cactus continue to inspire generations to come. Visit Boyce Thompson Arboretum to experience these marvels firsthand and join us in safeguarding our desert`s biodiversity!
Explore More & Get Involved Today at btarboretum.org...
Boyce Thompson Arboretum is a sanctuary for birds. Recognized as one of Arizona’s top Audubon Important Bird Areas. On #nationalbirdday, celebrate the incredible biodiversity we protect every day.
Did you know our resident coatis LOVE the myrtle tunnel in the canyon? These skilled foragers might take over the tunnel for a short feast because, hey, even wildlife deserves a lunch break!
If you see them snacking, please be patient and enjoy the show from a safe distance. The trail under the tunnel may be briefly closed, but the sight of these adorable creatures in action is totally worth it!...
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