abs_2012 bartomeus

Exploring or Avoiding Novel Food Resources? The Novelty Conflict in an Invasive Bird

Ignasi Bartomeus, Daniel Sol, Andrea Griffin.

Ignasi Bartomeusnacho.bartomeus@gmail.com

@ ibartomeus

Behavioral innovation

Invasion

Sol et al. 2005 PNAS

Behavioral innovation

Invasion

Sol et al. 2005 PNAS

Habitat

Common mynaAcridotheres tristis

Sol, Bartomeus & Griffin (Oecologia) 2011

Common mynaAcridotheres tristis

Common mynaAcridotheres tristis

I need food

Common mynaAcridotheres tristis

Avoid risksI need food

Exploration-Avoidance conflict

Food opportunities

Pred

atio

n ris

k

Exploration-Avoidance conflict

Food opportunities

Pred

atio

n ris

k

Low NeophobiaHigh Exploration

Exploration-Avoidance conflict

Food opportunities

Pred

atio

n ris

k

High NeophobiaLow Exploration

Exploration-Avoidance conflict

Food opportunities

Pred

atio

n ris

k

Urban areas

Sub-urban areas

We tested: Exploration-Avoidance conflict

* Neophobia* Motor innovation(motivation, sex, morphology)

On: *Urban populations*Sub-urban populations

Sol, Griffin, Bartomeus, Boyce (2011) PlosOne

Experiments:

n = 36

Water

Cage

Water

Cage

Innovation apparatous

Urban

Sol, Griffin, Bartomeus, Boyce (2011) PlosOne

Why?

Sol, Griffin, Bartomeus, Boyce (2011) PlosOne

Modulate neophobia according to the costs

Sol, Griffin, Bartomeus, Boyce (2011) PlosOne

Sol, Bartomeus & Griffin (Oecologia) 2011

Sol, Bartomeus & Griffin (Oecologia) 2011

Where and doing what?

1) Habitat

2) Innovation

Exploration/Avoidance

Behavioral innovation

Invasion

Habitat

Thanks!

nacho.bartomeus@gmail.com@ibartomeus