bottlenose dolphins

11
Jenny Harper

Upload: isabel

Post on 05-Jan-2016

43 views

Category:

Documents


0 download

DESCRIPTION

Bottlenose Dolphins. Jenny Harper. Where they ’ re found. Temperate and tropical Surface temp. of 50-90 degrees F Seasonal migration http://animals.nationalgeographic.com/animals/mammals/bottlenose-dolphin /. Habitat. Variety—coastal water to open ocean 2 ecotypes—coastal and offshore. - PowerPoint PPT Presentation

TRANSCRIPT

Page 1: Bottlenose Dolphins

Jenny Harper

Page 2: Bottlenose Dolphins

Where they’re foundTemperate and tropicalSurface temp. of 50-90 degrees FSeasonal migration

http://animals.nationalgeographic.com/animals/mammals/bottlenose-dolphin/

Page 3: Bottlenose Dolphins

HabitatVariety—coastal water to open ocean2 ecotypes—coastal and offshore

Page 4: Bottlenose Dolphins

Physical Characteristics Size: 6.6–12.8 ft. and 331.5–442 lb.

Shape: sleek and stream-lined

Skin: smooth/rubbery; gray/white

Page 5: Bottlenose Dolphins

SensesHearing-ranging from 40 to 100

kHzEyesight-acute vision in and out

of waterTactile-sensitive to touchTaste-have taste budsSmell-may have none

Page 6: Bottlenose Dolphins

IntelligenceHuman vs. dolphin brainArtificial language/categorize objectsSelf-awarenessMilitary dolphins http://www.pbs.org/wgbh/pages/frontline/shows/whales/etc/

navycron.html

Page 7: Bottlenose Dolphins

Intelligence cont.Problem-solutionhttp://www.youtube.com/watch?feature=player_detailpage&v=

j9fFkMyDsfYUse of toolsCooperation with humanshttp://www.youtube.com/watch?v=0GOb3nFpewM

Page 8: Bottlenose Dolphins

CommunicationNavigate, communicate, hunt, and avoid

predatorsAir movements in nasal passagehttp://www.seaworld.org/animal-info/info-books/bottlenose/

communication.htm

Echolocationhttp://nationalzoo.si.edu/scbi/AquaticEcosystems/Dolphins/AboutDolphins/

Echolocation.cfm

Page 9: Bottlenose Dolphins

BehaviorSocial groups—pods

Calf typically stays with mother 3-6 yrs. or more

Daily activities

Other species—whales, other dolphins, sharks, humans

Page 10: Bottlenose Dolphins

Life SpanMost 20 years or less

Disease/parasites

Predators (sharks, killer whales, stingray

injuries)

Human impacthttp://www.youtube.com/watch?v=4KRD8e20fBo

Page 11: Bottlenose Dolphins

Resourceshttp://www.seaworld.org/animal-info/info-books/b

ottlenose/index.htm

http://animals.nationalgeographic.com/animals/mammals/bottlenose-dolphin/

http://www.pbs.org/wgbh/pages/frontline/shows/whales/etc/navycron.html

http://nationalzoo.si.edu/scbi/AquaticEcosystems/Dolphins/AboutDolphins/Echolocation.cfm

http://youtube.com http://www.google.com/imghp?hl=en&tab=wi