Complex sentence: However, affiliative associations between the capuchins and howlers do sometimes occur, mostly involving juveniles playing together, and at times the capuchins and howlers may feed in the same tree, apparently ignoring each other.
Split into simpler sentences: However, affiliative associations between the capuchins and howlers do sometimes occur, mostly involving juveniles playing together. Other times the capuchins and howlers may feed in the same tree, apparently ignoring each other.