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The Aquatic Mammals of SE Texas

The Aquatic Mammals of SE Texas. Most mammal study is INDIRECT STUDY – Tracks tell us how they move, where they go. Scat tells us what they eat. Nests, burrows , etc. tell us where they find shelter. Skulls , etc. reveal their adaptations for their particular niche.

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The Aquatic Mammals of SE Texas

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  1. The Aquatic Mammals of SE Texas Most mammal study is INDIRECT STUDY – • Tracks tell us how they move, where they go. • Scat tells us what they eat. • Nests, burrows, etc. tell us where they find shelter. • Skulls, etc. reveal their adaptations for their particular niche.

  2. What does this have to do with Aquatic Science at KCHS? • The entire “Lago de Collins” is the work of two species of mammals: • Homo sapiens dug it. • Castor canadensis maintains it. • ALL other aquatic lifeforms have benefited from the work of these two. • All area mammals are attracted to “Lago de Collins” for the food, water, & shelter it offers.

  3. Order Didelphimorphia The New World Marsupials

  4. Virginia OpossumDidelphis virginiana

  5. Order Insectivora The Shrews & Moles

  6. Southern Short-tailed ShrewBlarina carolinensis The only North American mammal with a poisonous bite!

  7. Least Shrew Cryptotis parva

  8. Order Lagomorpha The Rabbits & Hares

  9. Swamp RabbitSylvilagus aquaticus

  10. Order Rodentia Mice, Rats, Squirrels, & Beaver

  11. Golden Mouse Ochrotomys nuttalli

  12. Cotton MousePeromyscus gossypinus

  13. Eastern Harvest MouseReithrodontomys humulis

  14. Hispid Cotton RatSigmodon hispidus

  15. Rice RatOryzomys palustris

  16. MuskratOndatra zibethicus

  17. NutriaMyocastor coypusNON - NATIVE

  18. American BeaverCastor canadensis

  19. Order Chiroptera The Bats

  20. Big Brown BatEptesicus fuscus

  21. Evening BatNycticeius humeralis

  22. Mexican Free-tailed BatTadarida brasiliensis

  23. Rafinesque's Big-eared Bat Plecotus rafinesquii

  24. Eastern PipistrellePipistrellus subflavus

  25. Seminole Bat Lasiurus seminolus

  26. Northern Yellow Bat Lasiurus intermedius

  27. Hoary BatLasiurus cinereus

  28. Red BatLasiurus borealis

  29. Silver-haired Bat Lasionycteris noctivagans

  30. Order Carnivora Dogs, Cats, Weasels, & Bears (oh my!)

  31. Long-tailed WeaselMustela frenata Front: 1" x 1"Hind: 1/2" x 1 1/2"

  32. Mink Mustela vison

  33. Striped SkunkMephitis mephitis

  34. Eastern Spotted SkunkSpilogale putorius

  35. Northern River OtterLutra canadensis

  36. RaccoonProcyon lotor

  37. Louisiana Black Bear Ursus americanus louisiana 5 in. L X 5 in. W 7 in L X 5 in. W

  38. Bobcat Lynx rufus

  39. Red Wolf Canis rufusEXTIRPATED

  40. Coyote Canis latrans

  41. Gray FoxUrocyon cinereoargenteus

  42. Red Fox Vulpes vulpes

  43. Order Artiodactyla The Even-toed Grazers

  44. Feral Pig Sus scrofaNON-NATIVE

  45. White-tailed DeerOdocoileus virginianus

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