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October–December 2014 Vermilion Flycatcher Tucson Audubon 3 the Sky Island Habitat THE QUARTERLY NEWS MAGAZINE OF TUCSON AUDUBON SOCIETY | TUCSONAUDUBON.ORG VermFLYCATCHERilion October–December 2014 | Volume 59, Number 4 Adaptation Stormy Weather ● Urban Oases ● Cactus Ferruginous Pygmy-Owl What’s in a Name: Crissal Thrasher ● What Do Owls Need for Habitat ● Tucson Meet Your Birds Features THE QUARTERLY NEWS MAGAZINE OF TUCSON AUDUBON SOCIETY | TUCSONAUDUBON.ORG 12 What’s in a Name: Crissal Thrasher 13 What Do Owls Need for Habitat? VermFLYCATCHERilion 14 Stormy Weather October–December 2014 | Volume 59, Number 4 16 Urban Oases: Battleground for the Tucson Audubon Society is dedicated to improving the Birds quality of the environment by providing environmental 18 The Cactus Ferruginous Pygmy- leadership, information, and programs for education, conservation, and recreation. Tucson Audubon is Owl—A Prime Candidate for Climate a non-profit volunteer organization of people with a Adaptation common interest in birding and natural history. Tucson 19 Tucson Meet Your Birds Audubon maintains offices, a library, nature centers, and nature shops, the proceeds of which benefit all of its programs. Departments Tucson Audubon Society 4 Events and Classes 300 E. University Blvd. #120, Tucson, AZ 85705 629-0510 (voice) or 623-3476 (fax) 5 Events Calendar Adaptation All phone numbers are area code 520 unless otherwise stated. 6 Living with Nature Lecture Series Stormy Weather ● Urban Oases ● Cactus Ferruginous Pygmy-Owl tucsonaudubon.org What’s in a Name: Crissal Thrasher ● What Do Owls Need for Habitat ● Tucson Meet Your Birds 7 News Roundup Board Officers & Directors President—Cynthia Pruett Secretary—Ruth Russell 20 Conservation and Education News FRONT COVER: Western Screech-Owl by Vice President—Bob Hernbrode Treasurer—Richard Carlson 24 Birding Travel from Our Business Partners Guy Schmickle. Guy is a professional nature Directors at Large Matt Bailey, Ardeth Barnhart, Gavin Bieber, Les Corey, Edward Curley, Jennie Duberstein, Dave Dunford, 25 Field Trips photographer. You can find his work online at www. Debra Finch, Jesus Garcia, Kathy Jacobs, John Kennedy, 25 Birds & Business Alliance explorethelightphotography.com Claire Zucker, Nancy Young Wright Board Committees Conservation Chair Chris McVie, 26 Nature Shops To have your photograph considered for use in the Development Les Corey, Education Jennie Duberstein, 27 Book Reviews Vermilion Flycatcher, please contact Matt Griffiths at Finance Richard Carlson, Outreach Vacant, Nominating & [email protected]. Governance Dave Dunford, Personnel Cynthia Pruett Programs & Activities Field Trips Ken Murphy Library, Membership Meetings 629-0510 Rare Bird Alert Andrew Core | Report Rare Birds 629-0510 Let Birds Bring Out Our Best Staff (unless otherwise stated, dial 629-0510 plus extension) Executive Director Paul Green ext 7001 David J. Ringer heads public relations for the National Audubon Accountant Michelle Bourgeois ext 7003 Society. He has birded in more than 25 countries on six continents Finance ext 7014 and writes about birds, birding, and conservation Membership and Development Diana Rosenblum ext 7002 Events & Volunteer Coordinator Julie Pulliam ext 7011 Environmental Education Coordinator Bété Jones ext 7012 Something about birds brings out the best in us pelicans. We lost the Ivory- IBA Conservation Biologist Jennie MacFarland ext 7004 Urban Program Manager Kendall Kroesen ext 7006 humans. Throughout the ages and in every human billed Woodpecker, but we helped Restoration Ecologist Jonathan Horst 971-6238 society, birds have inspired us to reach beyond snatch the Whooping Crane and the Field Supervisor Rodd Lancaster 256-6909 ourselves toward something greater; to pursue California Condor from oblivion. We rallied to fight Restoration Specialist Andy Bennett 262-1314 Communications and Habitat Restoration wisdom and define moral behavior; to create the terrible effects of uncontrolled environmental Matthew Griffiths 971-7924 art, enduring and ephemeral; to understand the pollution, and we saved the Bald Eagle, the Conservation Advocate Matt Clark 307-0956 Coordinator: Paton Center for Hummingbirds universe and exploit its forces; and to check our Peregrine Falcon, and—once again—the Keith Ashley 488-2981 baser impulses that, when left unchecked, unleash Brown Pelican. Associate Director, Operations Sara Pike ext 7008 disaster for the birds and for ourselves. Today, the birds face another existential threat, Operations and Retail Coordinator Sarah Whelan ext 7007 Tucson Audubon Nature Shops Audubon was founded to stop the mass and so do we. We’ve seen the early warning 300 E University Blvd #120 ext 7015 slaughter of birds at the turn of the 19th century, signs on our Christmas Bird Counts and our Hours: 10 AM–4 PM, Mon–Sat too late to save the Passenger Pigeon but in Breeding Bird Surveys. We’ve seen signs in Agua Caliente Park, 12325 E Roger Rd 760-7881 Hours: Thu–Sat 10 AM–1:30 PM. Please call to confirm hours. time to save the egrets, the spoonbills, and the the appearance of birds in new places and the The shop opens earlier and closes later during certain months. disappearance of birds from places where we Tucson Audubon Nature Centers once knew them well. And we’ve seen droughts, Mason Center, 3835 W Hardy Rd, Tucson, AZ 85735 Open most weekdays 9 AM–5 PM or when chain is down. fires, floods, disappearing glaciers and sea ice, Paton Center for Hummingbirds, 477 Pennsylvania Ave, and out-of-sequence natural events of all kinds Patagonia, AZ 85624 near our homes and all across the world. Our climate is changing far more rapidly than many bird Vermilion Flycatcher is published quarterly. For address species—and maybe even we ourselves—may changes or subscription problems call 629-0510, or write to Membership Coordinator at the address above. Submissions be able to withstand. It’s happening here, it’s are due 1st of the month, one month before issue date. Send happening now, and it’s happening quickly. submissions as Microsoft Word or RTF documents, or plain text files, to Matt Griffiths at [email protected]. For everyone who loves birds, it’s time to rise Coordinator Matt Griffiths 971-7924 up again. Audubon’s new birds and climate change Proofreaders Tucson Audubon staff and volunteers Design / Layout Eng-Li Green report paints a grim future for birds, but it’s a future © 2014 Tucson Audubon Society we still have time to avoid. Let’s act from our love. CCL in photo credits = Creative Commons License creativecommons.org. VF All photos © the photographer. Let’s act now. Let’s act together. BALD EAGLE, JETHRO TAYLOR / CCL TAYLOR BALD EAGLE, JETHRO 2 Tucson Audubon Vermilion Flycatcher OCTOBER–DECEMBER 2014 Visit tucsonaudubon.org for updates and more. COMMENTARY PAUL GREEN | EXECUTIVE DIRECTOR Taking Extinction Off Your Plate Something very interesting happened we may cause the sixth great extinction. Food production systems are especially 13.75 billion years ago (bya).* Our Today, the atmospheric and climate vulnerable. Universe came into existence. Carbon, stability of the past 800,000 years or so The habitat changes, and extinctions on which our life is based, originated is threatened by a warming atmosphere that are likely to ensue, will be a blip on some time later from simpler elements in caused by our release of heat-trapping the longer scale evolution of life on earth. burned-out stars and later became part greenhouse gases. Over the next few millions of years, natural of Earth’s rocky mantle and ultimately Life on earth is made possible by systems will adapt to the new conditions, part of us. Our planet is thought to have greenhouse gases: without them the assuming no catastrophic outcomes that formed around 4.2bya, the first life forms average temperature on earth would be put us on the Venus trajectory. However, appearing at around 3.5bya. zero degrees, instead of the 59 degrees the future of many life forms, including Around 2.4bya some life forms that we see today. A little is a good thing. birds and humanity, is in question. developed the ability to combine Greenhouse gases capture a portion of I think life is very special. To be atmospheric carbon dioxide and water the sun’s energy that has been absorbed a member of a species that at least to capture and store the sun’s energy in into the earth’s surface and then emitted begins to understand the enormity of the carbon-containing sugar molecules, and to the atmosphere, increasing the energy possible changes we are bringing about free oxygen was produced as a result. It in our atmosphere. There’s nothing carries with it moral responsibilities for took nearly two billion years for oxygen to mysterious about global warming; it’s a stewardship—not least for our birds that reach the levels we know today. simple process that we can all understand. carry with them the long genetic history of Some early life forms used this newly More greenhouse gases trap more of all that went before. available oxygen to release energy from the returning energy from the sun. Venus, While predictions for the effects those same sugar molecules they obtained for example, has an atmosphere that is of climate change on birds from the from eating these photosynthesizing flooded with greenhouse gases: now the American Bird Conservancy have been organisms, opening all kinds of biological oceans have boiled dry and lead would with us for many years, two new studies opportunities for the future. melt on its surface. We may not recognize examine the outcomes of modeling future Long periods of relatively stable the importance of our climate stability until climate scenarios on the distribution of a conditions favorable to life on our planet it goes away. variety of bird species. contributed to the birth and subsequent Since the industrial revolution, we have One model predicts that 53 percent evolution of the complex web of life that is emitted an incredible 1400 gigatons (gt) of of North America’s birds will lose more a wonder to behold.
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