BIOL 329 Lecture Notes - Lecture 37: Ungulate, Towhee, Halite
8 May 2018
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Lect 37
Northern Elephant seal: slaughtered to near extinction. Recently, population increasing,
Steller sea lion: considered threats to salmon stock. Culled by machine gun, clubbing, at breeding
rookeries. Numbers increasing.
Harbour seal: heavily exploited and culled for almost a century. Some schemes for destroying harbour
seals. Down to almost nothing in 1970. Increasing to historical (1930-1960).
ESSAY QUESTION: Worth 1/3 of the final exam
Outline a research program directed towards explaining the evolutionary significance of the plumage
coloration of the spotted towhee. Form = function.
Background on plumage coloration in birds. Summary of previous relevant literature on life history of
SPTO. Summary of previous relevant literature on plumage coloration in SPTO and description of
research question.
Relevant life history data to be collected and how and field/lab experimental protocols to be undertaken
(20 mks). Not interesting in the result (why flank color is rufous) but want to know HOW you would
figure out what the importance of the coloration is.
Caribou in BC: antlers in both sexes, large hooves and dew claws.
Wapiti: een toed. ‘ooseelt Elk, ‘oky Mountain Elk. Most idely distriuted ungulate in NA.
Roosevelt elk common throughout the coast and on the Gulf Islands. Now restricted to VI. Rocky
mountain elk increasing in abundance. Develop antlers in February, growth begins in April and is
complete by August.
Mountain goat: adapted for steep terrain and snow cover. Southern mountain slopes during winter
range. Longest hair shaft length on all ungulates other than musk ox. Give birth on steep inclines and
ledges – low predation levels other than golden eagle. Search for mineral salt licks.
find more resources at oneclass.com
find more resources at oneclass.com
Document Summary
Steller sea lion: considered threats to salmon stock. Culled by machine gun, clubbing, at breeding rookeries. Harbour seal: heavily exploited and culled for almost a century. Essay question: worth 1/3 of the final exam. Outline a research program directed towards explaining the evolutionary significance of the plumage coloration of the spotted towhee. Summary of previous relevant literature on life history of. Summary of previous relevant literature on plumage coloration in spto and description of research question. Relevant life history data to be collected and how and field/lab experimental protocols to be undertaken (20 mks). Not interesting in the result (why flank color is rufous) but want to know how you would figure out what the importance of the coloration is. Caribou in bc: antlers in both sexes, large hooves and dew claws. Roosevelt elk common throughout the coast and on the gulf islands. Develop antlers in february, growth begins in april and is complete by august.
