ancom_lec20 C - Nov 3, 2010 PSY 3364 Animal Communication...

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1 PSY 3364 Animal Communication Nov 3, 2010 Learning skills of crows Nature A Murder of Crows American Crow ( Corvus brachyrhynchos ) http://video.pbs.org/video/1621910826/ Sparkie Williams • British budgerigar trained by Mrs. Mattie Williams of Newcastle-upon-Tyne in 1954. • 550 word vocabulary could recite several 550 word vocabulary, could recite several four-line nursery rhymes. mms://audio.bl.uk/media/wildlife/sparkie01.wma ht p:/ www.bl.uk/listentonature/specialinterestlang/langofbirds13.html A little bird told me… • Talking birds: – African Grey Parrots http://www.alexfoundation.org/ Hoover • Harbor seal (Phoca vitulina) from New England Aquarium, Boston • Normal range: coastal waters in northern hemisphere; Normal range: coastal waters in northern hemisphere; weighs up to 250 pounds and lives about 20 years. • Hoover was raised as a pet and learned to imitate people when less than a year old. He was transferred to the Aquarium at 4 months of age and lived there until he died of old age in 1985. Vocal learning in birds • Three sub-groups of birds have exceptional vocal learning abilities: songbirds, parrots and hummingbirds • Forebrain structures that control movement in birds also play an important role in vocal learning
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2 Bird songs and calls Bird song is a complex form of vocalization produced in most species by males; primary functions are territorial advertisement and mate attraction. Zebra Finch ( Taeniopygia guttata ) song Bird songs and calls Calls (call notes) are usually simpler in structure, given by both males and females as well as young birds. Birds may have a dozen or more calls given in particular contexts, each conveying different kinds of information. Not always easy to distinguish songs from calls (e.g. Blue Jays) Development of vocal sounds • Which birds sing? What is a songbird? Passeriforme Order Passeriformes (perching birds) Tyranni (suboscines) Oscines (songbirds) Suborder Sub-order Tyranni Eurylaimidae : broadbills Philepittidae : asities Sapayoidae : Broad-billed Sapayoa Pittidae : pittas Furnariidae : ovenbirds and woodcreepers : ovenbirds and woodcreepers Thamnophilidae : antbirds Formicariidae : antpittas, antthrushes, tapaculos Rhinocryptidae : tapaculos Conopophagidae : gnateaters and gnatpittas Tyrannidae : tyrant-flycatchers Cotingidae : cotingas and Sharpbill Pipridae : manakins Song development in birds • Chaffinch (Fringilla coelebs) Chaffinch song Time => Frequency =>
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3 Chaffinch song Normal song Acoustic isolation http://www.bl.uk/listentonature/specialinterestlang/langofbirds12.html Song development in birds
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This note was uploaded on 11/11/2010 for the course PSY PSY 3364 A taught by Professor Dr.peterassmann during the Spring '10 term at University of Texas at Dallas, Richardson.

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ancom_lec20 C - Nov 3, 2010 PSY 3364 Animal Communication...

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