Celebrating 125 years! 1890 - 2015
The Delaware Valley Ornithological Club (DVOC) is the organization for birders and bird enthusiasts in the Delaware Valley region.
All who have an interest in birds are invited to attend functions of the DVOC. Click Here for membership information.

Contact Us

Passing of a Member - Joseph Koplin
It is with sadness that we inform the membership of the passing on March 27th of life member Joe Koplin. husband of life member Bernice Koplin. Joe joined the DVOC in 1998 and was a Fellow of the DVOC. For many years Joe and his wife ran the DVOC banquet.
Click Here for an obituary published in the Philadelphia Inquirer

The DVOC congratulates Marty Dellwo, the winner of the 2014 Bob Billings Big Year Award. Marty saw 307 species of birds in the DVOC program area in 2014 - quite an accomplishment! Marty will tell us about his big year adventure, and will be presented with the award, at the April 2 DVOC meeting. Don’t miss it!

Next Meeting:
Thursday April 2, 2015 7:30 pm
Held at the Academy of Natural Sciences, Philadelphia, PA
Directions to the Meeting
Directions to the informal pre-meeting dinner and the informal post-meeting gathering

Dr. Jean-Francois Therrien - "Snowy owls: the ultimate nomads."

The presentation will review recent results from Hawk Mountain Sanctuary's research program, with an emphasis on movement and reproduction of snowy owls. The audience will witness how we manage to monitor those highly mobile and unpredictable predatory birds throughout consecutive years via a slide show depicting field work situations.

Dr. Jean-Francois Therrien was born 20 minutes from the border with Vermont, in Sherbrooke, QC, Canada.
Academic internship at Hawk Mountain Sanctuary in autumn 2002. Bachelor degree in biology at the Université de Sherbrooke (Canada) 2003. Master degree in biology at Université Laval, Canada, 2006. Ph.D. degree in biology at Université Laval, Canada, 2011. Joined Hawk Mountain Sanctuary as Senior Research Biologist in September 2011.

Now working on various aspects of raptor conservation science such as satellite tracking of peregrine falcons, Turkey vultures and snowy owls, monitoring American kestrel breeding populations and monitoring of North American migratory raptors passing over the Sanctuary.

Also....2014 Billings Award to Martin Dellwo





Save These Dates
Saturday June 20 - DVOC Picnic
Saturday October 10 - 125th Anniversary Gala



Full 2015 Meeting Schedule


Next Field Trips:

April 18, 2014 (Saturday) Coastal Delaware
Our meeting place will be determined so check back for updates or Contact Leader: Lynn Jackson if you have any questions.
This DVOC trip is a joint field trip with Wyncote Audubon and is free to members and non-members.
Leader: Lynn Jackson

We will meet at the corner of Belfield Avenue and Logan Street to begin our walk in this under birded urban oasis. We can expect to find late wintering sparrows and juncos as well as sapsuckers and other woodpeckers. Perhaps we will also find early arriving spring migrants or even something unusual! We will also explore neighboring Wakefield Park and check out its magnificent seven-trunked London Planetree on Ogontz Avenue.
This DVOC/Philadelphia Parks and Recreation trip is free to members and non-members.
Meeting Location: Belfield Avenue and Logan Street. 19151
Meeting Time:10:00 am
Contact: Tony Croasdale

A walk through West Laurel Hill Cemetery and part of the Cynwyd Heritage Trail. Meet in the back parking lot behind the Bringhurst Funeral Home 200 yds inside entrance to West Laurel Hill Cemetery, which is on Belmont Avenue in Bala Cynwyd, PA. Foci: migrant passerines, nesting Peregrine Falcon--usually more than 50 species in 3-4 hours along creek and river, and in forest and grassy fields....
This DVOC trip is free to members and non-members..
Leader: Gregg Gorton

New in 2015 - BirdPhilly
BirdPhilly is a series of birding walks and events in Philadelphia parks for the 2015 calendar year. For further information go to the BirdPhilly website.



Full 2015 Field Trip Schedule















(3/15/15) Salem County Field Trip Report
(2/28/15) Constitution and By-Laws
(2/28/15) Carolyn Friedman Peronal Page (new member)
(2/23/15) 75th Bombay Hook Christmas Count Summary
(2/23/15) 75th Bombay Hook Christmas Count Species List
(2/19/15) North Shore Field Trip Report
(2/17/15) Minutes of the February 5, 2015 Meeting
(2/7/15) Robert Horgan Personal Page (new member)
(2/7/15) Sally Creighton Personal Page (new member)
(2/7/15) Karen Schwager Personal Page (new member)
(2/3/15) Minutes of the January 22, 2015 Meeting
(1/29/15) Black-tailed Godwit at Tinicum by Gregg Gorton
(1/23/15) Minutes of the January 8, 2015 Meeting
(1/19/15) Cape May Field Trip Report
(1/10/15) Report of the 125th Annual Members Meeting
(1/10/15) From the Archives: Spencer Trotter
(1/8/15) Minutes of the December 18, 2014 Meeting



From the DVOC Constitution/By-Laws:
•The mission of this club is the advancement and diffusion of ornithological knowledge.
•The members of this club shall be persons who are interested in ornithology considered in its widest sense

Each year the DVOC raises money for our Conservation Fund. Most of the funds are raised as part of the DVOC's participation in NJ Audubon's World Series of Birding but other donations are certainly accepted. All funds collected in a calendar year are distributed to one or more organizations recommended by the Conservation Committee and approved by Council. For further information on donating -

You can quickly and easily make a donation using PayPal. Click the "Donate" button below to do this. If you have a Paypal Account please log in. If you do not, use the "Don't have a PayPal account?" section in the lower left hand corner of the page that appears after you click the "Donate" button below.

The DVOC is a 501(c)(3) organization.
Contributions to DVOC are tax-deductible.


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

This page last updated Sunday, March 29, 2015 3:32 PM
All questions, comments, suggestions or additional material should be directed to

© DVOC 2014
All rights reserved. Reproduction in whole or in part,
in any form or medium, without express written permission is prohibited.

(10/28/14) Robin Mattison Personal Page (new member)







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