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The Ecology of Bird Feeding

The Ecology of Bird Feeding. Becky Barrick. Why Feed Birds?. Bird watching Enjoyment Project FeederWatch Research. Bird Feeding for Research Purposes. Supplemental Feeding and Survival. Black-capped Chickadee Brittingham and Temple, 1992 Brittingham and Temple, 1988. Summer Research.

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The Ecology of Bird Feeding

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  1. The Ecology of Bird Feeding Becky Barrick

  2. Why Feed Birds? • Bird watching • Enjoyment • Project FeederWatch • Research

  3. Bird Feeding for Research Purposes

  4. Supplemental Feeding and Survival • Black-capped Chickadee • Brittingham and Temple, 1992 • Brittingham and Temple, 1988

  5. Summer Research • University of Kentucky, 2004 • Dr. Dave Westneat and Ian Stewart • House Sparrow

  6. The effect of supplemental feeding on extrapair paternity • “Monogomous” house sparrows • Predicted results • My responsibilities • Similar study by Vaclav et al. 2003 • UK results

  7. Negative Consequences to Bird Feeding

  8. Negative Aspects • Windows • Predation • Attract Pests • Disease • Salmonellosis, avian pox, conjunctivitis, trichomoniasis, and aspergillosis.

  9. Salmonellosis • Bacterial (salmonella spp.) • Reported in 18 states in 2004 • Goldfinches, pine siskins, and redpolls

  10. Salmonellosis Continued • Symptoms • Transmission • Prevention • Study • Prescott el al. 2000

  11. Avian Pox • Several strains of Poxvirus • Game birds, raptors, and songbirds • Symptoms • Cutaneous pox • Diphtheritic pox • Exposure/Transmission • Prevention

  12. Mycoplasmal Conjunctivitis • Mycoplasma gallisepticum • Project FeederWatch, 1993, Washington D.C. • House Finch, turkey, chicken

  13. House Finch Disease • Symptoms • Transmission • Prevention • Study • Hartup et al. 1998, 2000

  14. Trichomoniasis • Protozoan parasites, Trichomonas gallinae • Pigeons, doves, raptors • Symptoms • Transmission • Prevention

  15. Aspergillosis • Fungal, Aspergillosus fumigatus • Game species • Symptoms • Transmission • Prevention • Studies • Oberheu and Dabbert 2001 • Perez et al. 2001 • Henke et al. 2001

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