Zusammenfassung der Ressource
Savannah Elephant
- matrilines - semi permanent, aggression mediated dominance
- power=age/size related
- female kin coop
- allomothering
- alliances
- calf care
- no of adults determines
protection effectiveness
- association between no of allo
mothers and calf survivorship
- McComb et al 2001
- discriminating knowledge better in matriarches?
- bunching response to calls decreased with age
- older may have a larger social network
- alot more reactive to unfamiliar calls - individ recognition
- Bates et al 2007
- found that females recognise 17 females
and up to 30 family members
- McComb et al 2001
- showed that adult females must be familiar at least
with up to 100 auditory calls
- playback family and strangers
- Cognitive maps
- desert elephants move over long
distances for food and water
- travel 60km between water holes
- elephants in north/south deserts travel
hundreds kilometers to reach a water
source shortly after the onset of rain
- sometimes travelling along routes not used for a while
- reliant on longterm memory of elephants
that had travelled that way decades before
- Foley, pettorelli and foley 2008
- showed that older matriarch groups better able to survive a drought
- drawing on knowldge of where long term drought
resistant water sources are