Dr. Winnie Hallwachs is a tropical ecologist who has worked for many years in the ACG as a researcher and technical advisor to Área de Conservación Guanacaste (ACG). She has worked closely with Dan Janzen in the development and implementation of biodiversity projects and programs and in the founding of ACG's formal non-profit partner, the Guanacaste Dry Forest Conservation Fund.
- Who We Are
- Team
- Board & Advisors
- Dan Janzen
- Winnie Hallwachs
- Frank Joyce
- Stephen Stroud
- Eric Palola
- Brad Zlotnick
- Rob Pringle
- Jessie Hill
- Scott Miller
- Alex Smith
- Sara O'Connor
- Jorge Cortés Núñez
- Rex Hamilton
- Alejandro Masís
- Patrick Goodwillie
- Anne Lambert
- Nicholas Lapham
- Jason W. Green
- Karen Baldwin
- Robert Puschendorf
- Béryl Lacoste Hamilton
- Terri McCarthy
- Our Supporters
- Financial Information
- Where We Work
- What We Support
- Ways to Help
- Latest News
- First BioAlfa School Project Is Underway!
- Kicking Off Another Season of Bird Research in ACG
- Tens of Thousands of Species "Will Be Discovered"
- Check Out Our Latest Newsletter!
- New Report on ACG Jaguar Populations
- Wired Article Features ACG and GDFCF
- Getting to Know ACG's Marine Environment: BioMar Symposium Held in ACG
- Planting Trees in El Triunfo
- Felicitaciones a Winnie!
- Cold Water Caused 2009 Coral Die-Off in ACG, New Study
- Biomonitors in Colombia = Parataxonomists in ACG
- Resources