Table 2. Number of recorded single screams for each social group in a begging context.

Social groups	Wavering screams	Whines
Cocha Cashu	(3)	(2)
Cocha Salvador	5	(3)
Cocha Sandoval	(1)	10
Cocha Tres Chimbadas	26	19
Zoo Dortmund	(18)	-
Zoo Duisburg	13	(1)
Zoo Hagenbeck	40	7
Total included in DFA	84	36
Total	106	42

Groups with numbers in parentheses were not included in the analyses due to low sample sizes (N<5 per group) or because all recorded vocalizations stemmed from the same individual (Zoo Dortmund).