Study to Date

Study  to  Date   •  September  2013:  Instrumented  20  sea  o5ers     –  13  ♀’  s,  8  ♂’s   –  One  pregnant  female   –  2  females  w/  large  pups,  2  Females  w/  small  pups  

•  Re-­‐sights  >  6,167       •  Forage  dives  >  11,366  dives  in  496  bouts   •  AcLvity  budgets  =  114     –  42,    24-­‐hour   –  72,    12-­‐hour  

•  DistribuLon  surveys  =  26   •  Datalogger  (3-­‐058,  3-­‐146,  and  3-­‐109)  

Field  Effort   •  •  •  • 

5-­‐6  MBA  and  USGS  interns   3  ESNERR  volunteers   15  MBA  volunteers   5  MBA  and  USGS  staff  

Status  of  O4ers   •  3  mortaliLes  (2♀,  1  ♂)   –  Cardiomyopathy  and  possible  Domoic  Acid  

•  One  male  regularly  leaves  the  slough   •  6  new  pups   •  6  successful,  2  unsuccessful  weanings  

Ron  Eby  

Resights:  Male    

Resights:  Male  vs.  Female  

Resights:  Females  with  Pups  

Habitat  Use:  Females  with  Pups  

Habitat  Use:  Females  with  Pups  

ProporBon  

Prey  in  the  Slough  

Prey  Type