Lc%2082%20CAPE%20loon%20talk

# Lc%2082%20CAPE%20loon%20talk - Territoriality in Common...

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1 Territoriality in Common Loons: Loony Tunes and Fatal Fighting Walter Piper, Chapman University Jay Mager, Ohio Northern University

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3 From Loon Magic © 1991

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5 Acquiring a New Territory 42% Passive Replacement 17% Founding New Territory 42% Eviction of Current Resident

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6 Change in Reproductive Success n 1st Yr 8th Yr R 2 p Male 14 47% 71% 0.67 0.0073 Female 23 59% 43% 0.00 0.3400
7 Structure of the yodel: Constancy of the yodel Same Lake, Same Loon, Next Year 1.12 + 0.3 Different Lake, Different Loon 2.49 + 1.34 Same Loon, Different Lake 3.37 + 2.97

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8 1.6 1.7 1.8 1.9 2 FEINTRO3 (kHz) 5.5 6 6.5 7 7.5 Mean Tarsus Length (cm) Are dominant frequencies a function of skeletal body size? Slope = 0.08, r 2 = 0.013, P = 0.4170; N = 55 males 1.6 1.7 1.8 1.9 2.0 3750 4000 4250 4500 4750 5000 5250 Mass (g) Is there a relationship between yodel pitch and loon body mass? Slope of regression = -0.001, r 2 = 0.437, P < 0.0001; N = 55 -100 -50 0 50 -200 -100 0 100 200 300 Weight Change (g) ( slope of regression = -0.624, r
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## This note was uploaded on 10/20/2009 for the course BIO G 1102 taught by Professor Walcott during the Spring '08 term at Cornell University (Engineering School).

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Lc%2082%20CAPE%20loon%20talk - Territoriality in Common...

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