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SIO 133 Discussion Section -- Week 9
1. Lecture 22: Mysticete Acoustics
2. Lecture 23: Behavior and Foraging
Announcements -----------------------------------------------------------------------------------------------------------1) Term Paper Final Due Monday June 1, by 6 PM (NOT MIDNIGHT) to www.turnitin.com
a. Will not get credit unless TOPIC and OUTLINE have been received (8 students)
b. Technical problems – email us immediately and attach your document
c. Late submissions – email us with a copy – lose 10% per day
2) Final exam – Wednesday June 10, 8:00 to 11:00 AM
a. Comprehensive for the entire quarter
b. Similar format to Mid-Term
3) Final Review Session – Tuesday, June 2, 5:00 to 7:00 PM Cognitive Science Building Room 004
Lecture 22: Mysticete Acoustics ----------------------- --------------------------------------------------------------1) Why do animals communicate?
2) There are many pathways for animal communication including visual, and chemical. What is
thought to be the most common pathway for communication between marine mammals?
3) True or False: Mysticete whale calls change only over long time scales (years).
4) What are thought to be the two main motivating factors for mysticete whale songs?
5) How are whale songs defined, as compared with other cetacean vocalizations? What are the
four components of a whale song?
6) Mysticete whales are often use complex calls in _______ areas and simpler calls in _______
areas.
SIO 133 Discussion Section -- Week 9
Lecture 23: Behavior and Foraging ------------------------ ---------------------------------------------------------1) Name four techniques used to study marine mammal social behavior.
2) Behavioral ecologists often track group size in their target species. What are three benefits to
organizing into a large group? What are three costs?
3) Time for our favorite game: Compare mysticetes and odontocetes! This time let’s compare and
contrast them in terms of how social they are. Which is more social/forms larger groups and
why?
4) Let’s keep the toothed/baleen whale comparison rolling. What is the deep scattering layer
(DSL)? When and how does it move in the ocean? Finally, you guessed it, describe how and why
toothed and baleen whales take advantage of the DSL
5) Coastal odontocete group sizes tend to be ____________ and have a ___________ distribution,
whereas offshore/pelagic odontocete group sizes tend to be ____________ and have a
__________ distribution.
6) As far as we know what is the only mysticete that exhibits regular cooperative feeding? How
does it do this?
SIO 133 Discussion Section -- Week 9
7) What is the family name, Latin name, and common name of this animal from the North Atlantic
Ocean? Where in the water column does it typically feed? What kind of animals does it eat?
8) Which of the following whale is most likely to engage in lunge feeding?
a.
b.
c.
d.
Crabeater seal
Sperm whale
Common dolphin
Blue whale