The Winter Diets of Foxes and Coyotes By
The Winter Diets of Foxes and Coyotes By Kevin Cox
The Dataset i. Found on Dryad i. Originally published in Oikos ii. XLXS File iii. 41. 7 kb iv. 471 records with 19 fields each
The Dataset i. fox and coyote scats found in Alaska i. Scat Number ii. Species iii. Study Area iv. Various food items https: //pgcpsmess. files. wordpress. com https: //bybio. wordpress. com
Moose/Caribou i. Carrion i. Size compared to mesopredators ii. Left by apex predators i. Wolves http: //shuswappassion. ca
Vegetation & Berries https: //fanpop. com/
General Comparison i. General similarities and differences i. Trends not mentioned before
Issues With Raw Data i. No critically messy data ii. But it could be improved i. Numbers were decimal ii. Not sorted by species
Methods (Cleaning) i. Change decimals to percentages ii. Sort data by species
Methods (Five number summary) Value Excel Function Min =MIN('Clean Data'!D 2: D 148) Q 1 =QUARTILE. INC('Clean Data'!D 2: D 148, 1) Median =MEDIAN('Clean Data'!D 2: D 148) Q 3 =QUARTILE. INC('Clean Data'!D 2: D 148, 3) Max =MAX('Clean Data'!D 2: D 148) Value Excel Function Min =MIN('Clean Data'!D 149: D 472) Q 1 =QUARTILE. INC('Clean Data'!D 149: D 472, 1) Median =MEDIAN('Clean Data'! D 149: D 472) Q 3 =QUARTILE. INC('Clean Data'!D 149: D 472, 3) Max =MAX('Clean Data'! D 149: D 472)
Methods (Averages) i. =AVERAGE(*cell 1*: *cell 2*) i. D 2: D 148 for coyotes ii. D 149: D 472 for foxes
Fox Winter Diet Composition Coyote Winter Diet Composition berries; 1. 65% berries; 0. 95% weasel; 0. 70% beaver; 0. 23% bird; 1. 44% bird; 5. 95% vole; 9. 81% quirrel; 1. 12% hrew; 0. 37% vegetation; 7. 62% vole; 41. 07% moose/caribou; 22. 31% sheep; 3. 37% moose/caribou; 44. 79% porcupine; 7. 25% hare; 10. 58% other; 5. 76% marmot; 0. 09% muskrat; 1. 97% unknown; 0. 05%shrew; 0. 52% hare; 14. 90% muskrat; 5. 50% vegetation; 5. 59% sheep; 0. 53% porcupine; 1. 22% squirrel; 1. 39% other; 2. 41%
Conclusions i. Moose/caribou i. Importance of apex predators ii. Vegetation and berries iii. Voles iv. Hares v. Low counted animals https: //en. wikipedia. org/ https: //hiveminer. com/ gardenofeaden. blogspot. com/
Future Work i. Location i. How do fox and coyote winter diets compare in the two locations? ii. Further examine Wolves’ role https: //en. wikipedia. org/ https: //www. tu. org/
Questions
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