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Audubon Conservation Ranching Program

By on January 4, 2024 in

Audubon launched its Conservation Ranching program (ACR) here in California in 2019. Matt Allshouse of Audubon California will present this program which is designed to stem the conversion of grassland ecosystems and improve the ecological functions of rangelands by partnering with ranchers to transition to more regenerative grazing approaches via a ranch certification program. This presentation will highlight the ACR program components which includes the development of ranch-specific Habitat Management Plans and a third-party certified set of regenerative grazing practices to increase climate-driven drought resiliency, rebuild soil organic matter, enhance plant diversity and cover, increase water infiltration and carbon sequestration, and increase overall biodiversity.

Shasta Birding Society is inviting you to a scheduled Zoom meeting.

Topic: Audubon Conservation Ranching Program
Time: Feb 14, 2024 07:00 PM Pacific Time (US and Canada)

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Meeting ID: 875 8970 8925

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Meeting ID: 875 8970 8925

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Status of the Tricolored Blackbird and Yellow-billed Magpie

By on November 5, 2023 in
Tricolored Blackbird by David Bogener

Tricolored Blackbird by David Bogener

This month Dan Airola will provide recent status information on the Tricolored Blackbird and Yellow-billed Magpie, two Central Valley species that have declined substantially in recent years. Blackbird population loss has resulted from habitat loss, nest destruction during agricultural harvest, and loss of insect prey due to insecticide use. The successful proposal to list the species under the state Endangered Species Act sparked research and conservation programs. Dan recounts this recent history and the successful efforts that have resulted in modest but important population increase. The population of the state-endemic Yellow-billed Magpie declined by over 80% in California since the arrival of West Nile virus in the early 2000’s, and did not develop resistance, unlike some other species. Dan’s recent studies reveal key habitat relationships and an apparent incipient recovery in the sizable urban Sacramento population.

Dan Airola is a Wildlife Biologist and Ornithologist who has worked for over 40 years in research and conservation of at-risk species birds in Northern California. In addition to long-term research on the tricolor and magpie, Dan maintains a 30-year study of Sacramento’s Purple Martins and has also studied Swainson’s Hawks, Turkey Vultures, Osprey, fire-adapted forest species, migrant songbirds, and diving ducks. Dan also serves the Central Valley Bird Club as a Director, Conservation Chair, and editor of the journal Central Valley Birds.

Wintu Audubon Society is inviting you to a scheduled Zoom meeting.

Topic: Status of the Tricolored Blackbird and Yellow-billed Magpie
Time: Nov 8, 2023 07:00 PM Pacific Time (US and Canada)

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https://us06web.zoom.us/j/84935959479

Meeting ID: 849 3595 9479
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Meeting ID: 849 3595 9479

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Some of My Favorite Bird Photos Part 2

By on October 10, 2023 in
Vermillion Flycatcher

Vermillion Flycatcher

Please join our webmaster as he highlights some of his favorite bird photos from the last fifteen years. Don’t be surprised if there may be a few short videos as well. This is the second part of his presentation.

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Cooperation and Conflict in the World of Acorn Woodpeckers

By on October 26, 2022 in

Acorn Woodpecker Female

Dr. Walt Koenig was a Research Zoologist at Hastings Reservation, a field station located in the upper Carmel Valley run by the Museum of Vertebrate Zoology at UC Berkeley, from 1982 to 2008. He subsequently was a Senior Scientist at the Cornell Lab of Ornithology in Ithaca, New York, from 2008 to 2016. He retired in 2016 and returned to upper Carmel Valley, where he currently studies acorn production by California oaks and continues to contribute to the Acorn Woodpecker study.

Acorn woodpeckers, best known for their unique habit of storing acorns by the thousands in special structures known as “granaries,” exhibit one of the most complex social systems of any bird. Family groups of this species, sometimes numbering a dozen or more birds, contain multiple breeders of both sexes, a rare phenomenon called “polygynandry,” along with young from prior years that serve as “helpers-at-the-nest.” Based on a study of this species at Hastings Reservation in Monterey County, Dr. Koenig will explain some of the strikingly cooperative and surprisingly competitive behaviors of this species that he and his colleagues have discovered during their 50+ year field study.

Wintu Audubon Society is inviting you to a scheduled Zoom meeting.

Topic: Dr. Walt Koenig, Cooperation and Conflict in the World of Acorn Woodpeckers
Time: Nov 9, 2022 07:00 PM Pacific Time (US and Canada)

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Meeting ID: 851 9651 9044
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Meeting ID: 851 9651 9044
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Purple Martins in the Central Valley: Going, Going, Gone

By on February 3, 2022 in

Take a tour of the birding hotspots in Pt. Reyes: there are such diverse habitats, from grasslands, estuaries and sandy beaches, lagoons to coastal chaparral and hardwood/conifer forests, and this leads to a great diversity of bird species. This program will highlight many of the past Altacal trips and all the rare migrants and other cool birds that have been seen at Pt. Reyes National Seashore. Altacal has been leading camping trips to Pt. Reyes for decades, and we have seen some really interesting birds (as well as other wildlife) there over the years. During fall migration, some eastern warblers and other birds somehow get off track and end up migrating south along the west coast, and Pt. Reyes is the perfect stopping point. Mary will introduce you to the main birding spots with maps and photos and share stories about them all. If you have never joined Altacal on one of these trips, you will want to after watching this presentation! Black-throated Blue Warbler by JT Lewis Purple Martins have been in long-term decline in California due to factors such as habitat loss, competition with the European Starling, disturbance from construction projects, and declines in their insect food supply due to neonicotinoid insecticide use. Dan Airola has been studying and working for over two decades to conserve the last Central Valley population of Purple Martins, which nest in elevated freeways and overpasses in Sacramento. This program will present his study results and describe conservation measures that have been implemented and are needed to protect this species and help it recover. Dan Airola is a wildlife biologist and ornithologist who has worked for over 40 years on bird conservation issues in Northern California. His recent research addresses status, ecology, migration, and conservation of at-risk species including the Tricolored Blackbird, Swainson’s Hawk, Yellowbilled Magpie, fire-adapted forest species, and migrant songbirds. Dan also serves the Central Valley Bird Club as a Director and Conservation Chair.

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