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  • Activities
    • Meetings
      • Current Schedule
      • Directions
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        • 2018
        • 2017
        • 2016
      • Minutes Archive
      • Meetings 1890-2005
    • Field Trips
      • Current Schedule
      • Field Trips Archives
        • 2018 Trips
        • 2017 Trips
      • Directions
      • Field Trip Reports
      • Archive of Field Trips
    • Bird Philly
    • Banquet
    • Photo Contest
    • Annual Membership Meeting Potluck
    • Annual Picnic
    • Philadelphia Mid-winter Bird Census
    • WSB
      • WSB – 2019
      • WSB – 2018
      • WSB – 2017
      • WSB – 2016
  • Membership
    • Membership Form
    • Membership Dues
    • Members
    • Honorary Members and Fellows
  • Birding
    • EBird Reports
    • Hotspots
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      • January
      • February
      • March
      • April
      • May
      • June
      • July
      • August
      • September
      • October
      • November
      • December
    • County Birding Pages
    • Counts and Censuses
      • Philadelphia Mid-winter Bird Census
    • DVOC Field Checklist
    • Billings Big Year
    • What to do with a Dead Bird?
    • Hawk Watching
    • Weather Conditions
    • Pelagic Birding
    • Rare Bird Reporting
    • Delaware Valley Birders
    • State Records Committee
    • Delaware Valley Birding History
    • Big Years
      • S. Kacir Montgomery County 08
      • S. Keller Gloucester County 08
      • F. Windfelder Philadelphia County 07
    • Other Resources
  • Publications
    • Larus (Newsletter)
    • Cassinia (Journal)
    • Cassinia (Journal) Archives
    • Additional
      • Tracking Stone
      • Tracking Stone’s Tome – Further Information
  • About
    • Who’s Who
    • Contact Info
    • Committees
      • Archives
      • Awards
      • Banquet
      • Billings Big Year
        • Billings Past Winners
      • Checklist
      • Conservation
      • Constitution / By-Laws
      • Field Trips
      • Interns Fund
      • Listserve
      • Membership
      • NB4NB
      • Ornithological Studies
      • Publications
        • Cassinia
        • Philadelphia Larus (Newsletter)
      • Witmer Stone Sanctuary
      • Youth Birding
    • Constitution / By-Laws
    • Diversity, Equity, and Inclusion
    • Awards
      • Witmer Stone
      • Julian K. Potter
      • Rosalie Edge (Conservation)
      • DEVOC
      • Stephen Emery Tarcisius Kacir
      • Bob Billings Big Year
    • Donating to the DVOC
    • History
      • Founders
        • William Lloyd Baily
        • George Spencer Morris
        • Samuel Nicholson Rhoads
        • Spencer Trotter
      • Articles
        • Street Article
        • LaVia Article
        • Baily Paper
      • Letters
        • Baily To Street Letter 1940
      • From the Archives
      • Trip Reports
        • Catoxen 1900
        • Glover’s Mill 1901
        • Marathon 1909
    • Publications of the DVOC and Members
    • Merchandise
  • Search
Home Locations Academy of Natural Science
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Address
1900 Benjamin Franklin Parkway
Philadelphia, PA 19103
United States

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    • CANCELLED: Eighty-five Years and Counting: Discoveries about Migration & Raptors from Hawk Mountain - March 19, 2020 - 7:30 pm

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    Delaware Valley Ornithological Club c/o Academy of Natural Sciences 1900 Benjamin Franklin Parkway Philadelphia, PA 19103

    © DVOC 2015 All rights reserved. Reproduction in whole or in part, in any form or medium, without express written permission is prohibited.

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