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Mammalogy

Animals, Animals and more Animals

From Wikipedia:

In zoology, mammalogy is the study of mammals – a class of vertebrates with characteristics such as homeothermic metabolism, fur, four-chambered hearts, and complex nervous systems. Mammalogy has also been known as “mastology,” “theriology,” and “therology.  “Mammalogy branches off into other taxonomically-oriented disciplines such as primatology (study of primates), and cetology (study of cetaceans). There are many more.  Mammals (formally Mammalia) are a class of vertebrate animals whose name is derived from their distinctive feature, mammary glands, which they use in feeding their young. They are also characterized by the possession of sweat glands, hair, three middle ear bones used in hearing, and a neocortex region in the brain.  Except for the five species of monotremes (which lay eggs), all mammals give birth to live young.  Most mammals also possess specialized teeth, and the largest group of mammals, the placentals, use a placenta during gestation. The mammalian brain regulates endothermic and circulatory systems, including a four-chambered heart.
There are approximately 5,400 species of mammals, ranging in size from the 30–40-millimetre (1.2–1.6 in) Bumblebee Bat to the 33-metre (110 ft) Blue Whale, distributed in about 1,200 genera, 153 families, and 29 orders, though this varies by classification scheme. The mammals are divided into two subclasses, the prototheria, which includes the egg-laying monotremes, and the theria, which includes the live-bearing marsupials and placentals. Most mammals, including the six largest orders, belong to the placental group. The three largest orders, in descending order, are Rodentia (mice, rats, and other small, gnawing mammals), Chiroptera (bats), and Soricomorpha (shrews, moles and solenodons). The next three largest orders include the Carnivora (dogs, cats, weasels, bears, seals, and their relatives), the Cetartiodactyla (including the even-toed hoofed mammals and the whales) and the Primates to which the human species belongs. The relative size of these latter three orders differs according to the classification scheme and definitions used by various authors.
Phylogenetically, Mammalia is defined as all descendants of the most recent common ancestor of monotremes (e.g., echidnas and platypuses) and therian mammals (marsupials and placentals). This means that some extinct groups of “mammals” are not members of the crown group Mammalia, even though most of them have all the characteristics that traditionally would have classified them as mammals. These “mammals” are now usually placed in the unranked clade Mammaliaformes. The mammalian line of descent diverged from the sauropsid line at the end of the Carboniferous period. The sauropsids would evolve into modern-day reptiles and birds, while the synapsid branch led to mammals.  The first true mammals appeared in the Jurassic period.  Modern mammalian orders appeared in the Palaeocene and Eocene epochs of the Palaeogene period.

 


Class Presentations

2008 – 2009 Class – Mammalogy, Dr. John YOung, TPWD

  • Download the Mammals of Texas PDF file
  • Download the TWS Prairie Dog PDF file

2012 Class – Mammalogy, John Tomecek – TMN – Mammalogy Presentation

2018 Class – Mammalogy, Chris Harper, FWS Mammalogy Feb 2018

2020 Class – Mammalogy, Chris Harper, FWS  Mammalogy_rev_Feb2020,
and coyote video at https://www.youtube.com/watch?v=2IHJ_HIPFMg

2022 Class – Mammalogy, Chris Harper, FWS Mammalogy_rev_April 2022

Other Mammal Presentations

  • Conservation status of plains spotted skunk in Texas, by Clint Perkins May 2017
  • Bats – our wonderful flying mammals.  Bats 2013 Advanced Training by Cindy Bolch
  • BATS for library presentation July 2017, Cindy Bolch
  • Watch the live Bracken Cave “Batcam”, a few hours before dusk each evening, and see them return at sunrise the next morning.
  • Feral Hog Control, by Mike Mitchell  Download the Feral Hog Control PDF file
  • Feral Hog online webinar by Billy Higgenbotham, covers everything – excellent: 1 hour 17 minute video
  • The damage Feral Hogs can do to native habitats: Feral hogs negative affects, by Texas AgriLife
  • The Feral Hog problem – a one page summary, by Don Travis
  • Feral Hogs are the most reproductive mammal – 1 feral hog sow can be “responsible” for creating over 128,000 hogs in just over 5 years!  Don’t believe it? Check out this sow reproduction spreadsheet and play with the assumptions and see what results you get.  The details behind it are tedious but it is all laid out for your review. Even if this mathematical calculation differs from reality by 50%, that’s still a huge number.

Land Stewardship Assistance in Houston Toad Habitat
Several members attended this 1/2 day session at McKinney Roughs. The purpose of the program was to describe the current situation of declining Houston Toad habitats, how the Landowner Incentive Program has helped in the Lost Pines area of Bastrop County, and how it can help in other areas, including Milam County. Individual presentations are included below.

  • Program Agenda
    HT Landowner Workshop 2010 PDF file
  • Current Status and Habitat Issues
    Houston Toad Overview Status PDF file
  • Habitat Improvement Practices
    Houston Toad Habitat Management PDF file
  • Lost Pines Habitat Conservation and Landowner Incentives
    Lost Pines Habitat Conservation PDF file
  • Natural Diversity Database
    Natural Diversity Database PDF file
  • Carbon Credits, an opportunity for forest owners
    Carbon Credits PDF file
  • Landowner Incentive Program
    Landowner incentive program PDF file
  • Texas Animal Tracks
    A brief two page publication by Texas Parks and Wildlife on the tracks of 9 common mammals in our area.
    Texas animal tracks PDF file

Predators & Prey Brochure – A joint project between our El Camino Real Chapter and All Things Wild Rehabilitation, Inc.  In 2020 the El Camino Real Chapter and All Things Wild partnered to create a brochure titled “Predators and Prey,” which is geared towards educating the public about some interesting things regarding wildlife, specifically in Milam County. Many of our wildlife creatures are sometimes mistakenly considered pests when actually these animals are quite beneficial to humans and the environment.  These brochures are being distributed all over Milam County. Download the brochure PDF from here, and print your own copy (landscape and flip on short side). For a more complete story see our Blog here.

 


Books and Web Sites of Interest
  • See All Things Wild Rehab website for their newsletters, how to get rehab help, and much more. http://allthingswildrehab.org/
  • Texas Wildlife texas-wildlife.org/
  • For the comprehensive story on the latest Feral Hog issues and solutions, see Feral Hogs at TAMU.
  • USDA Feral Swine Managing web site.
  • A major resource on Feral Hog biology, history, management and control is http://articles.extension.org/feral_hogs
  • Book “Animal Tracks of Texas”
  • Mammals of Texas – Online, Schmidly’s online version
  • Book “Mammals of Texas”, 2004 revised, by Schmidly, UT Press
  • “Trackers Field Guide”, by Lowery, on Amazon
  • “National Audubon’s Field Guide to N.A. Mammals”, on Amazon
  • The NEW Bat-Watching Sites of Texas website is now live!!
  • Bat Conservation International Website
  • Bat Conservation and Management, a very good Pennsylvania web site
  • TED Talk by Emma Teeling – The secret of the Bat Genome
  • Make a Green Tree Fog Tube – https://www.youtube.com/watch?v=smQtNmHqOYo&ab_channel=TexasParksandWildlife

From Shawn Walton’s Weekly Blog / Column in Rockdale and Cameron Newspapers:

 

  • 06.08.09_Frogs and Toads
  • 08.24.09_Coyote
  • 09.07.09_Bobcats
  • 10.21.09_Red Bat
  • 11.04.09_Red fox
  • 11.11.09_White Tailed Deer
  • 12.02.09_Pocket Gopher
  • 12.24.09_Ringtail Cat
  • 12.30.09_Raccoon
  • 02.03.10_Striped Skunk
  • 06.03.10_Mexican free-tailed Bat
  • 07.01.10_Armadillos
  • 10.21.10_Panther
  • 02.03.11_Evening Bat
  • 03.24.11_Porcupine
  • 05.26.11_Squirrels

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