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Impacts of climate change on polar bears/grizzly
bears /wolvesPaul Buzzard, PhD
Field Conservation Officer
MammalsPolar Bears/Grizzly Bears at Kaktovik, AK
Figure 1. Proposed area to study the degree of sympatry and potential for competition between polar and grizzly bears within the Arctic
National Wildlife Refuge (brown area), North Slope of Alaska, 2015-18.
Bone pile video
Bone pile video
Kaktovik, AK and Barter Island
3
2322
6
0
18
12 11
4
18
24
30
14
51
61
65
36
25
37
29
35
18
41
80
61
32
0
10
20
30
40
50
60
70
80
90
2002 2004 2006 2008 2010 2012 2014
Polar Bear Numbers at Barter Island, September 7-26, 2002-2014
Minimum
Maximum
Average
Mammals
Musk ox, walrus,
geese eggs (88
eggs equals a
seal), etc.
Other prey switching by Polar Bears
Grizzly bear at Kaktovik bone pile
Mammals
3 confirmed
cases, many
suspected;
normally male
grizzly and female
polar; in one case
father grizzly
mother was
grizzly-polar
hybrid
Pizzlies / Grolar Hybrid Bears
MammalsWolves at Isle Royale
2015: Opening of the Cotton Family Wolf habitat, support for the wolf-moose project
MammalsWolves
DZS staff travelled to Isle Royale May 16-23 to meet with Profs. Peterson and Vucetich; look for wolf sign; and monitor moose on the island.
Currently 2 wolves remain, and National Park Service will decide in Fall 2017 whether to reintroduce wolves.
MammalsWolves
DZS staff travelled to Isle Royale May 16-23 to meet with Profs. Peterson and Vucetich; look for wolf sign; and monitor moose on the island.
Currently 2 wolves remain, and National Park Service will decide in Fall 2017 whether to reintroduce wolves.
MammalsWolves and Moose at Isle Royale
Wolf Reintroductions: 1952, 2018?
MammalsWolves and Moose at Isle Royale
DZS staff at Isle Royale May 2016/2017 to meet with Profs. Peterson and Vucetich; look for wolf sign; and monitor moose.
MammalsWolves
DZS staff travelled to Isle Royale May 16-23 to meet with Profs. Peterson and Vucetich; look for wolf sign; and monitor moose on the island.
Currently 2 wolves remain, and National Park Service will decide in Fall 2017 whether to reintroduce wolves.
MammalsWolves
DZS staff travelled to Isle Royale May 16-23 to meet with Profs. Peterson and Vucetich; look for wolf sign; and monitor moose on the island.
Currently 2 wolves remain, and National Park Service will decide in Fall 2017 whether to reintroduce wolves.
MammalsWolves
DZS staff travelled to Isle Royale May 16-23 to meet with Profs. Peterson and Vucetich; look for wolf sign; and monitor moose on the island.
Currently 2 wolves remain, and National Park Service will decide in Fall 2017 whether to reintroduce wolves.
MammalsWolves and moose at Isle Royale
MammalsWolves
DZS staff travelled to Isle Royale May 16-23 to meet with Profs. Peterson and Vucetich; look for wolf sign; and monitor moose on the island.
Currently 2 wolves remain, and National Park Service will decide in Fall 2017 whether to reintroduce wolves.
MammalsWolves and Moose at Isle Royale
Wolf Reintroductions: National Park
Service to decide late 2017
Mammals
Thank you!
Thank you!
MammalsDZS at Isle Royale
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