Category Archives: Next Speaker

At each monthly chapter meeting, a talented speaker discusses a fascinating project.

June 5 Monthly Meeting: How Do Painted Buntings Express Aggression Vocally?

The meeting will be held at Brookhaven College, in the Miles Building H-125.  See below for more information on the location and time. How Do Painted Buntings Express Aggression Vocally? The Painted Bunting is a very unusual bird.  It is the smallest species that retains female-like plumage into the second year, when males are old enough to breed.  Since small birds typically only live a few years, why can Painted Buntings keep female-like plumage, which seems to be less likely to attract a mate than the mature male… Read More →

May 1 – Monthly General Meeting – Rare Orchids of Texas

The meeting will be held at Brookhaven College, in the Miles Building H-125.  See below for more information on the location and time.   In 2004 a small group of North Texas Master Naturalists began a field study with Dr. Marcy Brown Marsden of the University of Dallas on native non-photosynthetic, mycoheterotrophic orchids. Each summer from mid-May through late July a team of North Texas Master Naturalists explore along several trails in Cedar Ridge Preserve looking for the flower spikes of Hexalectris orchids. The data base of information… Read More →

April 3, 2019 Monthly General Meeting – From Sharks Teeth to Orchids: A Natural History of the White Rock Escarpment

The meeting will be held at Brookhaven College, in the Miles Building H-125,  See below for more information on the location and time.   The April meeting program will consider the White Rock Escarpment, Dallas County’s most prominent land-form, from the perspective of geologic time.  This deep history will begin on a chalky seafloor, beneath a warm shallow subtropical seaway.  It will conclude among summer orchids on the crest of the escarpment. About the Speaker Paul Dolliver was born and raised in southern California.  Paul earned degrees in History… Read More →

March 6, Monthly General Meeting – Surviving & Thriving: Reproductive Strategies that Assure Plants’ Success

The meeting will be held at Brookhaven College, in the Miles Building H-125,  See below for more information on the location and time.   Evidence shows that plants have existed on Earth for the last 200 million years (and Homo sapiens for about 200,000 years). At the March meeting our speaker Dana Wilson will teach us some of the many reproductive strategies that plants have used to survive and thrive. About the Speaker Dana Wilson describes herself as native Texan, born in Baylor Hospital; I did my undergraduate at… Read More →