1. Exotic Species

2. Mrs. Black Horse, Cheyenne Nation, and dog travois

4. American Chestnut

5. Cracking From Chestnut Blight

6. Exotic Species Conservation biologists typically call introduced species “exotic species” - species which live outside their natural range Botanists typically refer to exotic plants as alien species Other terms you may see include biological invaders, introduced species, invasive species, non-indigenous species, non-native species (my preferred term)

7. Cattle Egret Came on its own – not exotic

8. How or Why Do Exotic Species Get Dispersed? 1. Stowaways 2. Subsistence and Commerce 3.Recreation 4.Whimsy or aesthetics 5.Science 6.Biological Control

9. Norway Rat as ship rat

10. Nightcrawler Earthworms (Lumbricus terrestris) and pre-exotic distribution

11. Cars transport seeds via mud stuck to car

12. Ballast Water Discharge

15. Commerce and Subsistence

17. Monterey Pine

18. Blue Gum Eucalyptus

19. Feral Pig - Florida

20. Recreation - Brown Trout

21. Ring-necked Pheasant

22. Chukar

23. Red Deer – New Zealand

24. Whimsy or Aesthetics – European Starling

25. House Sparrow

26. Multiflora Rose

27. Tree of Heaven - Ailanthus Light blue – counties where Ailanthus is present

28. Scotch Broom

29. Walking Catfish

30. Bighead Carp

31. Carp Jumping

32. Cherry Headed Conures in San Francisco

33. Monk Parrots – Chicago, Harold Washington Park and Hyde Park

34. Science - Gypsy Moth

36. Africanized Honey Bees

37. Movement of Africanized Honey Bees

39. Biocontrol

40. Klamath Weed – aka – St. John’s Wort

41. Chrysolina beetle

42. Prickly Pear Hedge - Tunisia

43. Prickly pear in Australia – before control

44. Cactoblastis cactorum

45. Prickly pear – same location after control

46. Red Fox - Australia With native Bobuck possum

47. Red fox - Australia

48. Impact of Exotic Species

49. Predators and Grazers – Stephen Island, New Zealand

50. Stephen Island Wren

51. Brown Tree Snake

52. Many Brown Tree Snakes

53. Brown Tree Snake on Guam and Beyond

54. Decline in cichlid species due to Nile Perch in Lake Victoria

55. California Channel Islands

56. Sheep grazing – Channel Islands

57. Channel Island Coreopsis

58. Emerald Ash Borer

61. Parasites and Pathogens 16th Century Drawings of Native Americans with Smallpox

62. Chestnut blight canker and fungus

63. Spread of Chestnut Blight

64. Dutch Elm Disease – The Way to Knox

68. Elm Bark Beetle

69. Elm Bark Beetle Galleries

70. Avian Malaria and Hawaiian Native Birds like Scarlet Honeycreeper

71. Avian malaria occurs in areas below white line on Island of Hawaii

72. Avian Malaria and Abundance of Native Birds Gray line – mosquito abundance; solid black line – prevalence of avian malaria; dashed line – native bird adundance

73. Competitors – Purple Loosestrife

74. Purple Loosestrife

75. Purple Loosestrife Distribution

76. Control of Purple Loosestrife

77. Expansion of Water Hyacinth from Native Brazil

78. Water Hyacinth in India

79. Kudzu flower

80. Kudzu vines

81. Kudzu Car

82. Kudzu Distribution

83. European Starling and Eastern Bluebird

84. Starling and Bluebird Competition

85. Honeybee – Apis melliflora and native Bumble-bee - Bombus vosnesenskii

86. Honey Bee – Colony Collapse

87. Hybridization – Cordgrass – Spartina alterniflora

88. Spartina Hybridization A = Spartina alterniflora B = S. maritima C = S. x townsendii D = S. anglica

89. Invasive Spartina anglica in San Francisco Bay

90. Ecosystem Effects - Blue Gum

91. Charles Elton - 1927