species presentation puma concolor matt bickel mike bryant john costa
TRANSCRIPT
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Species Presentation Puma concolor
Matt Bickel
Mike Bryant
John Costa
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Introduction
• Biology
• Ecology
• Management
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Biology
• Nomenclature
• Distribution
• Morphology
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Nomenclature
• Common Names– Mountain lion, leon, cougar, panther, puma,
catamount, painter, and several native names
• Scientific Name– Puma concolor
• Subspecies– There are 30 recognized (debated)
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Subspecies
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Distribution
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Morphology
• Weight– Males 80-91kg (175-200 lbs) – Females 34-80kg (75-175 lbs)
• Length– Males 2.4 m (8 ft)– Females 2.0 m (6.5 ft)
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Morphology
• Digitigrade– Five in forepaw and four in hindpaw– Terminal retractable claw– 1st digit reduced in size and set higher
• Short and stocky limbs (comparatively)
• Hind limbs longer than forelimbs
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Track next to ’82 Dodge pickup key
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Pelage
• Uniformly colored– “Tawny”
– Ventral side is lighter in color “buff”
– Tail tipped in black
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Pelage
• Kittens– Dark spots on body
– Black rings on tail
– Fades with age (lyr)
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Skull and Dentation
• Diphyodont w/ vertical tooth replacement• Adult dental formula is 3/3 1/1 3/2 1/1 =30
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A & P• Vision
– Stereoscopic w/ associated depth perception• Large area of overlap in field of vision
– Large pupils, large lenses, increased retinal curvature
• Hyoid apparatus• Clavicle• Mammae• Acetyl group on hemoglobin
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Reproduction
• Estrous cycle
• Gestation
• Litter size
• Altricial young
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Ecology
• Habitat
• Diet
• Behavior
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Habitat
• Adaptable to many habitats including;– Woody swamps– Forests– Chaparral– Deserts– Brush lands
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Habitat
• Five criteria for puma habitat– Native vegetation, woody cover, prey, low
development density, and connection to large tracts of habitat
• Ambush predators that rely on dense cover for successful hunting
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Habitat
• When traveling long distances, puma prefer;– Ridge tops– Canyon bottoms– Dirt roads– Hiking trails
• These area offer increased rate of travel, however they can increase human interaction.
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Diet
• Major and minor prey species vary depending on location and season
• 40 species are commonly preyed upon in Western Hemisphere (Generalist Predator)
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Diet
• Sources of data for puma diet analysis– Puma kill sites– Stomach and intestine content studies– Poop
• Conclusion– Puma are generalist predators– Deer, elk, wild pigs, sheep are “main” prey
species
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Diet
• Discriminate selection of prey– Bull elk and buck deer in winter– Age bias bigger factor than physical condition– Probability of success; 82%
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Diet
• Evidence of cannibalism• Diet studies also showed some
scavenging
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Behavior
• Hunting– Ambush from dense cover– Jumps on prey’s back, bites
neck or skull– Drags prey away from kill site– Will cache a kill – Disemboweled large prey
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Behavior
• Mating– Polygamous– Puma will mate w/ same individual several
times– No set mating season– Mating pair together for 2-5 days
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Behavior
• Social– Solitary, w/ exception of mating season and
females w/ kittens.– Employ mutual avoidance strategy w/ other
puma– Puma will kill other predators over prey
competition
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Management
• Management concerns
• Past Management
• Present Management
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Management concerns
• Habitat loss
• Biological significance
• Safety/Control
• Economics
• Ethical
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Loss of Habitat
• Increased urban development– Vacation homes, ski areas etc…
• Agricultural development– Ranching– Farming
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Biological Significance
• Biological diversity• Key predator species• Must maintain genetic
variety w/ in species
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Human Safety/Control
• Human deaths and attacks
• Misrepresentation of Puma– Pink panther, disneyesque,
big kitty
• Human/Puma interactions– Shared habitat
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Economics
• Sport hunting• Depredation
– Wild ungulates
– Domestic livestock
• Poaching– Trade in wildlife parts
• Property damage– Cars, pets etc…
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Ethical Issues
• Anti-hunting– Aesthetic value
– They were here first
– Endangered
– Misinformed
• Cultural values– Native American
– Dominionistic attitude
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Past Management….Then
• “The only good predator is a dead predator.”
• Bounties
• Extirpation from most of original NA range
• Not valued, seen only as a liability to agriculture and big game
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Present Management Strategies
• Legal issues• Hunting• Protection
• Programs and Practices• Monitoring• Education
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Legal Issues
• California Prop. 117 (Habitat Conservation Fund), 1990– Gives $30 million per year
– Proposed designation will provide an additional $750,000 per year for research and management (no sport hunting)
• Lawsuit filed against Wildlife services– States that the agency is violating the Wilderness Act, National
Environmental Policy Act by killing puma through its Animal Damage Control Program.
• No present mgt plan in WY, despite a 1996 draft.
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Sport Hunting
• Sport hunting in 13 states and provinces– Only SD, CA, and FL have no hunting seasons
• Hunting packages = big money– Bryce Canyon, UT. $3000 per person
– Bitterfoot Mountain Outfitters, ID• $2500 + License and lion tag = $3000
• Problems with sport hunting– Only females w/ cubs @ side are protected
– Use of dogs is very controversial
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Protection
• Habitat– Protected areas allow subpopulations to evolve w/o human
related mortality, increasing genetic diversity
– Florida, recent habitat acquisitions:• Everglades Nat’l Park = 107,600 acres
• Florida Panther Nat’l Wildlife Refuge = 23,300 acres
• Big Cypress Nat’l Preserve = 141,000 acres
– The USFWS has designated critical habitat for only 9% of all Federally listed species.
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Protection
• Population protection and Classification– Threatened in SD
– “Specially Protected Mammal”• Very rare designation, even for endangered species
• About 5100 animals
– Florida panther is a Federally Endangered Subspecies• Only about 60-70 animals
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Programs and Practices
• Road Safety Implements– Since 1972, 44 Florida panthers wave been killed by vehicles.
• Wildlife Crossings and fencing installed on more than 40 miles of roadways.
• No panthers have been killed where these devices were installed.
– “Riparian Corridors” in S. California crucial in safe movement.
• Breeding Programs– 8 female Texas cougars released in Fl. To introduce new genetic
material.• 3 still alive, 1 recently had two kittens.
– Florida Panther Interagency Committee • Removed 6 female cubs from the wild to start a captive breeding program for
reintroduction.
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Programs and Practices
• Translocations– Good alternative to destroying nuisance animals.– Problems associated with translocations:
• Little is known about success rates.• Where do you send them?
• Monitoring – Essential for determining management success.– Problems with present monitoring strategies:
• Based on Harvest Statistics, therefore can be biased due to male-preferred hunting practices.
• The accuracy of aging techniques is uncertain.
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Education
• Management plans need to incorporate both public opinions and wildlife managers.– People need a background knowledge to achieve unbiased plans.
• Educating land and livestock owners important in reducing depredation and nuisance puma destruction.
• Programs like Idaho State University “Interactive Research Program” allow general public to get hands-on experience.
• Encounter information distributed at Nat’l Parks.
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Conclusion
• Puma concolor was the most widely ranging terrestrial mammal in the western hemisphere, before European settlement
• The keys to future management of this species, its subspecies and populations include;– Public education
– Habitat preservation
– Tolerance