Upload
sheena
View
86
Download
0
Tags:
Embed Size (px)
DESCRIPTION
Overview of Toothed Whales. By: Lindsey Whitebread. Overview of Toothed Whales. Order: Cetacea Suborder: Odontonceti Made up of 6 families. A Few Fast Facts. Number of teeth differs among species Teeth have 3 main functions Active hunters Have a single blowhole Have a “melon” on head. - PowerPoint PPT Presentation
Citation preview
Overview of Toothed WhalesBy: Lindsey Whitebread
Overview of Toothed Whales
• Order: Cetacea
• Suborder: Odontonceti
• Made up of 6 families
A Few Fast Facts
• Number of teeth differs among species• Teeth have 3 main functions• Active hunters• Have a single blowhole• Have a “melon” on head
Family Delphinidae
• Consists of 37 species
• Two best known– Orca– Bottlenose Dolphin
Orca
Orca
• Largest species in family
• Distinctive markings• Found in all oceans• Highly social and
vocal
Bottlenose Dolphin• Friendly and curious• Elongated jaw forms bottlenose shape• Breath through blowhole• Found in open seas
Family Monodontidae
Consists of two unusual species– Beluga Whale– Narwhal
Beluga Whale
Beluga Whale
• Found in Arctic and Sub-Artic waters
• Known as “White Whale”
• Extremely large “melon”
• Lacks a dorsal fin
Narwhal
• Name means “corpse whale”
• One long tusk• Found in Artic waters
Family Phocoenidae
• Consists of six species of porpoises
• Best known is Harbor Porpoise
• Smallest creatures in toothed whale classification
• Found across the Northern Hemisphere
Harbor Porpoise
Families Physteridae and Kogiidae
Consists of three species– Sperm Whale– Dwarf Sperm Whale– Pigmy Sperm Whale
Pigmy Sperm Whale
Sperm Whale
• Largest of all toothed whales
• Deepest diving mammal
• Found in all oceans around the world
Family Ziphidae• Consists of 20 plus species of Beaked Whales• Does not use teeth to catch prey• Little is know about the behavior
Beaked Whale
Super Family Platanistoidea
• Consists of four species of River Dolphins
• Most endangered• Found in waters
around South America and China
River Dolphin
Bottlenose Dolphin
Orca
Beluga Whale
Dwarf Sperm Whale