jaguares en costa rica

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Jaguars (Panthera onca) in Costa Rica.

Eduardo Carrillo, PhDecarrilloj@gmail.com

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Where is Costa Rica ????

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Costa Rica

is known for its efforts in create Protected Areas for Conservation

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However, to protect an area is not enough !!

1. To generate information about the resources in the area (base line studies).

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2. Long term monitoring of the natural resources (using indicator species??).

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We began our studies in OSA in 1990.

Jaguar (Panthera onca)

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White-lipped peccary(Tayassu pecari)

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Threats

Habitat loss

Threats

Jaguar – people conflict

Threats

Jaguar ‘s poaching

Threats

Poaching of Jaguar’s preys

So.... What did we do ??. We wanted to answer some questions:

What was the jaguar’s movements and activities patterns?

What was the predator prey relationship?

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Corcovado National Park

Golfo Dulce Forest Reserve

Reserva indígena Guaymí

Piedras Blancas National Park

Golfito Wildlife Refuge

20 Km20 Km

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Corcovado National Park

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Objective

To document the spatial and temporal movements of a jaguar in relation to the behavior of its major prey.

Some questions…

What was the importance of marine turtles for jaguars?

How were jaguars using marine turtles and White-lipped peccaries?

Methodology

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Tortugas marinas

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Beach surveys

location mapbeach photo

(frequency of surveys)

(3-7 days/month)

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Results

Photo of turtle on the beach

Marine turtles

0

0.4

0.8

1.2

1.6

2M

ean

no.

of

turt

les

per

day

FirstQuarter

Full LastQuarter

New

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Home range sizes (km2) of white-lipped peccaries

Season N Mean Range

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Dry 3 33.5 30.2-37.0

Wet 3 32.8 30.8-35.5

Both 3 35.3 32.0-37.8_______________________________________

0

20

40

60

80

100

0 2 4 6 8 10 12 14 16 18 20 22

Time

% A

ctiv

e

Dry Wet

0

20

40

60

80

100

0 2 4 6 8 10 12 14 16 18 20 22Time

% A

ctiv

eFirst/Full Last/New

Jaguar photo

Jaguars

Proportion of 18 jaguar scats with remains of specific prey

White-lipped peccary 0.88Collared peccary 0.37Two toed-sloth 0.22Three toed-sloth 0.11Olive ridley turtle 0.11White-faced monkey 0.05Agouti 0.05Toucan 0.05

No. of jaguar prey located by telemetry

Species N___________________________________________________________________

Olive ridley turtle 14

Pacific green turtle 2

White-lipped peccary 4

Red snapper (fish) 1

American crocodile 1

Home range sizes (km2) of jaguars

Season Moon phase Mean Range

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Dry All 18.0 15.0-20.6

Wet All 19.9 18.2-22.3

Both First/Full 16.8 13.3-20.2

Both Last/New 12.5 9.2-15.7

Both All 20.6 19.0-23.0

0

20

40

60

80

100

0 2 4 6 8 10 12 14 16 18 20 22

Time

% A

ctiv

eFull New

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Some new questions…

1. What is the jaguar population in Corcovado National Park?

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We set up a camera trap survey in Corcovado National Park in 2003.

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We estimated the jaguar population in Corcovado National Park between 40 to 50 animals.

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NICARAGUA

PANAMACosta Rica

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Eduardo Carrillo, PhD.ecarrilloj@gmail.com

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