Table 4 Subjects’ performances in calculated, classic, and super contrafreeloading trials.

From: Contrafreeloading in kea (Nestor notabilis) in comparison to Grey parrots (Psittacus erithacus)

 

Calculated

Classic

Super

Blofeld

34/36***

18/36

6/36***

Bruce

30/36***

18/36

6/36***

Harley Quinn

30/36***

14/36

1/36***

Loki

35/36***

14/36

2/36***

Moriarty

30/36***

14/36

4/36***

Neo

34/36***

15/36

0/36***

Plankton

32/36***

16/36

2/36***

Taz

33/36***

17/36

2/36***

  1. ***p < 0.001.