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Killer Whales of Southern Alaska

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Author :
Release : 1999-05-01
Genre : Whales
Kind : eBook
Book Rating : 797/5 ( reviews)

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Book Synopsis Killer Whales of Southern Alaska by : Craig Matkin

Download or read book Killer Whales of Southern Alaska written by Craig Matkin. This book was released on 1999-05-01. Available in PDF, EPUB and Kindle. Book excerpt:

Killer Whales of Southern Alaska

Download Killer Whales of Southern Alaska PDF Online Free

Author :
Release : 1984
Genre : Killer whale
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Killer Whales of Southern Alaska by : Kenneth C. Balcomb

Download or read book Killer Whales of Southern Alaska written by Kenneth C. Balcomb. This book was released on 1984. Available in PDF, EPUB and Kindle. Book excerpt:

Hotspots and Behavioral Patterns of Southern Alaska Resident Killer Whales (Orcinus Orca)

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Author :
Release : 2017
Genre : Killer whale
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Hotspots and Behavioral Patterns of Southern Alaska Resident Killer Whales (Orcinus Orca) by : Daniel W. Olsen

Download or read book Hotspots and Behavioral Patterns of Southern Alaska Resident Killer Whales (Orcinus Orca) written by Daniel W. Olsen. This book was released on 2017. Available in PDF, EPUB and Kindle. Book excerpt: The resident killer whale (Orcinus orca) is a genetically and behaviorally distinct ecotype of killer whale that feeds primarily on Pacific salmon (Oncorhynchus spp.). Long-term monitoring over 30 years of study has enabled detailed investigation into pod-specific, seasonal, and compositional differences in space use and behavior. To investigate use of habitat, 33 resident killer whales representing 14 pods in the northern Gulf of Alaska were tagged with satellite transmitters during all years from 2006 to 2014, and transmissions were received during the months of June to January. Core use areas were identified through utilization distributions using a biased Brownian Bridge movement model. Tagging results indicate different core use areas between pods, which could be due to cultural transmission within matrilineal groups. To investigate differences in behavior, 1337 hours of behavioral data were collected from 2006 to 2015. For these observations, chi squared tests were used to determine significant differences in behavior budgets between seasons, regions, haplotypes, and numbers of pods. The presence of 'rarely sighted' pods (sighted in less than 5% of encounters) had a large influence on the frequency of social behavior, which increased from 18.5% without their presence to 31.4% with it (X2 = 17.3, df = 1, P

Transients

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Author :
Release : 2011-11-01
Genre : Nature
Kind : eBook
Book Rating : 329/5 ( reviews)

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Book Synopsis Transients by : John K.B. Ford

Download or read book Transients written by John K.B. Ford. This book was released on 2011-11-01. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on transient killer whales. Enigmatic and elusive, these mammal-hunting whales are difficult animals to study. They travel in small groups, often moving unpredictably, which makes them less conspicuous than the larger resident pods. For these and other reasons, our understanding of the life history and ecology of transient killer whales has lagged behind that of residents. Transients contains the latest information on the natural history of transient killer whales, including their feeding habits, social lives, and distribution patterns. The catalogue section contains photographs of and notes on over 200 individual whales. Numerous sidebars contain interesting observations on encounters with transients as well as information on how and where to best watch them.

Alaska's Watchable Whales

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Author :
Release : 2004
Genre : Humpback whale
Kind : eBook
Book Rating : 308/5 ( reviews)

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Book Synopsis Alaska's Watchable Whales by : Mark Kelley

Download or read book Alaska's Watchable Whales written by Mark Kelley. This book was released on 2004. Available in PDF, EPUB and Kindle. Book excerpt: With the photos in this book, Mark Kelley takes you on a journey to see Alaska¿s watchable whales on nature¿s stage. The accurate and up-to-date text tells the story behind the scenes and the eight whale tales of true-life adventures from close encounters with whales makes for unforgettable reading.

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