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Burrowing Owl

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Some facts:

Charismatic and sometimes comical, the diminutive Burrowing Owl is an easily recognized icon of the grasslands and arid regions of western North America, Florida, and the Caribbean. Unique among North American owls, this species is active day and night, nests in underground burrows, and typically nests in small groups.

In the past half century, Burrowing Owl populations have declined sharply across much of the species' range. The species is listed as Endangered in Canada, as a species with Special Protection in Mexico, and (although it has no [legal] federal status in the USA) it is “listed” in half of the 18 western states it still occupies. Although no one major factor has been implicated in the decline of this species, the cumulative effects of human activities have undoubtedly taken a major toll.

Historically in many parts of the west and south, this species depended on colonies of burrowing mammals such as prairie dogs (Cynomys spp.) for nests sites; reduction of such colonies by agriculture has limited access to nest burrows and contributed to loss of Burrowing Owls in this region. Such colonies were sometimes large; Bent (1938) describes a Florida colony that (in the 1880s) was 3 miles (4.8 km) long and contained “several hundred” pairs of owls.

Strong local and governmental interest in this species has facilitated significant conservation efforts to maintain or revive populations, including reintroduction programs, the use of artificial nest burrows, habitat protection programs, and protective legislation.

Conservation concerns for this species served as a catalyst for three international Burrowing Owl symposia (1992, 1998, 2006), from which significant contributions have been made to our understanding of this owls' natural history. The species has been studied broadly across its range in recent decades, with key studies from Brazil, Chile, Florida, Canada and many western US states on breeding biology, movement patterns, habitat use, pesticide loads, genetics, behavior, and diet.

Poulin, R. G., L. D. Todd, E. A. Haug, B. A. Millsap, and M. S. Martell (2020). Burrowing Owl (Athene cunicularia), version 1.0. In Birds of the World (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. doi.org/10.2173/bow.burowl.01

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Taken on: October 26, 2022

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Sets appears in: • Birds of Brazil • Owls

Groups appears in: • NATURE'S SPIRIT (by invitation) (post 1/award 1) • Owls (Wild Only)

Camera: Canon EOS R5, f/6.3, 1/1600 sec, 451mm, ISO 500 (more info) (hide info)

Camera:	Canon EOS R5
Lens:	RF100-500mm F4.5-7.1 L IS USM
Aperture:	f/6.3
Exposure Time:	0.001 sec (1/1600)
Focal Length:	451mm
ISO:	500
Exposure Bias:	0 EV
Flash:	No Flash
Exposure Program:	Manual
Exposure Mode:	Manual
Metering Mode:	Multi-segment
White Balance:	Manual
Color Space:	sRGB
Software:	Adobe Photoshop Lightroom Classic 12.1 (Macintosh)
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