Foraging Tactics

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Foraging Tactics

• More on optimal foraging theory

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Optimal Foraging Theory Search Image
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Optimal Foraging Theory Search Image

• Learned Response
• Specialists
• Volunteers

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Optimal Foraging Theory

• Central Place Foraging
• Distance vs. time vs. payoff

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Optimal Foraging Theory
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f (Ts)
A
B
b
a
TRAVEL
SEARCHING
Time
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Optimal Foraging Theory

• Given equal patch quality unequal distances
• stay in a longer
• eat/collect more before moving

f (Ts)
b
a
Ts
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Optimal Foraging Theory
0
f (Ts)A
f (Ts)B
b
a
TRAVEL
SEARCHING
Time
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Optimal Foraging Theory
f (Ts)A
a
f (Ts)B
b
Ts

• Given unequal patch quality and equal distance
• stay in b longer
• eat/collect same before moving

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Optimal Foraging Theory

• Models off a little
• Nutrients
• Predation Risk
• Knowledge

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Foraging Tactics

• Gleaning
• Flycatching
• Aerial plankton
• Flush-pursuit
• Trap-liners
• Tool use

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Foraging Tactics

• Gleaning
• Flycatching
• Aerial plankton
• Flush-pursuit
• Trap-liners
• Tool use

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Foraging Tactics

• Gleaning
• Flycatching
• Aerial plankton
• Flush-pursuit
• Trap-liners
• Tool use

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Foraging Tactics

• Gleaning
• Flycatching
• Aerial plankton
• Flush-pursuit
• Trap-liners
• Tool use

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Foraging Tactics

• Gleaning
• Flycatching
• Aerial plankton
• Flush-pursuit
• Trap-liners
• Tool use

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Foraging Tactics

• Gleaning
• Flycatching
• Aerial plankton
• Flush-pursuit
• Trap-liners
• Tool use

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Foraging Tactics

• Gleaning
• Flycatching
• Aerial plankton
• Flush-pursuit
• Trap-liners
• Tool use

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Tool Use
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Foraging Tactics

• Neophobia
• Black Ducks vs. Mallards
• Song Sparrows vs. Swamp Sparrows
• Neotropical Warblers
• Generalists vs. Specialists
• http//nationalzoo.si.edu/ConservationAndScience/M
  igratoryBirds/Research/Neophobia/duck_neophobia3.s
  wf
• http//nationalzoo.si.edu/ConservationAndScience/M
  igratoryBirds/Research/Neophobia/duck_neophobia4.s
  wf