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Properties and distribution of NEST-BUILDING.
| Gesture | Form | Meaning | Sender | North group | South group | East group |
|---|---|---|---|---|---|---|
| PLAY-NEST BUILDING | Bending together a few branches or saplings | Invitation to play | Juveniles and adolescents of both sexes | − | + | + |
| MATING-NEST BUILDING | Sexual solicitation | Adult males | − | + | − |
