1. Exploring or Avoiding Novel Food Resources?
The Novelty Conflict in an Invasive Bird
Ignasi Bartomeus, Daniel Sol, Andrea Griffin.
Ignasi Bartomeus
nacho.bartomeus@gmail.com
@ ibartomeus

2. Behavioral innovation
Invasion
Sol et al. 2005 PNAS

3. Behavioral innovation
Habitat
Invasion
Sol et al. 2005 PNAS

4. Common myna
Acridotheres tristis
Sol, Bartomeus & Griffin (Oecologia) 2011

5. Common myna
Acridotheres tristis

6. I need food
Common myna
Acridotheres tristis

7. I need food Avoid risks
Common myna
Acridotheres tristis

8. Exploration-Avoidance conflict
Food opportunities
Predation risk

9. Exploration-Avoidance conflict
Food opportunities
Predation risk
Low Neophobia
High Exploration

10. Exploration-Avoidance conflict
Food opportunities
Predation risk
High Neophobia
Low Exploration

11. Exploration-Avoidance conflict
Food opportunities
Predation risk
Urban areas
Sub-urban areas

13. We tested: Exploration-Avoidance conflict
On: *Urban populations
*Sub-urban populations
Experiments: * Neophobia
* Motor innovation
(motivation, sex, morphology)
Sol, Griffin, Bartomeus, Boyce (2011) PlosOne

14. Cage
Water
n = 36

15. Cage
Innovation Water
apparatous

16. Urban
Sol, Griffin, Bartomeus, Boyce (2011) PlosOne

17. Why?
Sol, Griffin, Bartomeus, Boyce (2011) PlosOne

18. Modulate neophobia
according to the costs
Sol, Griffin, Bartomeus, Boyce (2011) PlosOne

19. Sol, Bartomeus & Griffin (Oecologia) 2011

20. Where and doing what?
1) Habitat
2) Innovation
Sol, Bartomeus & Griffin (Oecologia) 2011

21. Behavioral innovation
Habitat Exploration/
Avoidance
Invasion

22. Thanks!
nacho.bartomeus@gmail.com
@ibartomeus