Red-Eared Slider An invasive species in Oregon By: Lauren H. Anuraj C. Zoe W.O

Table of Contents  Definition of an invasive species  Names  Desciption  Origin, how did it get here and Geological range.  Current sitiation and future complications  What does it do?  Previous control efforts  Diet  Predators

Definition  An alien species that is introduced, accidently or on purpose, to a land that is forgien to its native habitat. Usually causing enviornmental, economic and/or human harm.

Names and Classification  Red-eared slider  Trachemys scripta elegans  Organism Type: reptile  Fresh Water  Warmer Climates  Ponds, Lakes, Marshes, Creeks and Streams.

Description  Broad red stripe behind the eyes  Silimlar to yellow sliders (live in Southest Virginia and Northern Florida)  Older males become Melanistic or black. (Making idintification hard)  Males: cm - shell is domed  Females: 20 cm - shell is flat  Shells are black and cream colored with green stripes.

Origin  The Red-eared slider comes from the Mississippi River, The Gulf of Mexico and North East Mexico.

How did they get to Oregon?  International pet trade was a major help in spreading these pesty turtles around the world.  Also, when pet owners got bored of this slow pet, thus releasing it into the wild helping this specie of turtles become incasive.

Geographical Range  Australia  Bahrain  Caribbean  East and S.E Asia  Europe ( Spain, France, England, Cyprus)  Guam  Israel  Mariana islands  South Africa

Current situation/future complications  They eat small native birds, invertebrates, amphibians, and other smaller turtles.  They spread diseases to other animals.

What does it do? (effects it has on native species)  Because they are sold in pet stores, these turtles ate moldy food causing them to get Salmonella.  When they mate with Native turtles, they spread the desise.  They also are born in large numbers

Previous control efforts

Diet - Plants  Blue-green and green algae  Leaves  Duckweed  Emergent  Stems  Roots  Fruits  Seeds of vascular  Plants

Diet - Animals  Tadpoles  Frogs  Small fish  Insects  Crayfish  Shrimp  Amphipods  Mollusks (snails)

Predators  Crows  Raccoons  Otters  Fish ( pike and bass)  Frogs  Snakes  Wading birds (heron)  skunks