1 / 17

Accounts of e X tinct Species

Accounts of e X tinct Species. Carolina Parakeet. (Conuropsis carolinensis). Formerly common from New York to Florida east of the Great Planes.

Antony
Télécharger la présentation

Accounts of e X tinct Species

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Accounts of eXtinct Species

  2. Carolina Parakeet (Conuropsis carolinensis) Formerly common from New York to Florida east of the Great Planes The last two individuals resided in the Cincinnati Zoo for about 35 years. “LadyJane” died in the summer of 1917, leaving her mate, “Incas” listless and mournful. He died February 21, 1918 Extinction file - Carolina Parakeet

  3. Head to tail length of about 12 inches Extinction file - Carolina Parakeet

  4. They lived colonially, building stick nests used by multiple individuals Females laid 1-3 eggs which were incubated communally Extinction file - Carolina Parakeet

  5. They occupied “bottom land hardwoods” often associated with natural openings Extinction file - Carolina Parakeet

  6. They foraged in a groups, feeding on a variety of “tough-shelled” seeds, from plants such as cocklebur, pine, cypress, beech and maple As land was cleared for human agricultural purposes the species switched food habits, eating grain crops and orchard fruits Extinction file - Carolina Parakeet

  7. Thus, they fell under intense human predation and by 1890 the species was quite uncommon At this time collectors eagerly caught the few remaining birds for museum collections and zoo displays

  8. Enter the Monk Parakeet (Myiopsitta monachus) Hi Sparky!

  9. Native to Argentina where it is considered an Agricultural pest Imported to the U.S. by way of the pet trade- between 1960-72 over 100,000 were legally imported.

  10. Breeding colonies now found in about 8 states and isolated birds have been sited in at least 20 more states

  11. Monk Parakeet nesting on power pole in Connecticut- two birds visible

  12. Monk Parakeet nesting in a Burr Oak in Chicago’s Hyde Park- 4 birds visible

  13. Monk Parakeet nesting behind a satellite dish under the EL Train in Chicago- at least 7 birds visible

  14. Monk Parakeet initiate nesting on power line- 2 birds visible

  15. Communal stick nests of the Monk Parakeet. Besides the Carolina Parakeet, the Monk is the only species of parrot to build such nests

  16. By the early 1970’s approximately 200 birds had become established in the city of New York At this time, a “retrival program” was initiated and local populations were either eradicated or greatly reduced, but………. This communal nest was about 10 ft x 6ft x 4 ftand estimated to weigh 500 lbs.

  17. Ain’t they sweet! Two Monk Parakeets in their nest, located in a palm tree in Florida, where feral populations may exceed 25,000 and have an average doubling time of about 4.8 years

More Related