Regurgitated food sharing in common vampire bats ( Desmodus rotundus ) has been studied in both the lab and field, and is predicted by kinship, association, and reciprocal help In a field study conducted in Costa Rica from 1978 to 1983, vampire bats frequently switched between several roost trees and co-roosted with kin and non-kin.
12.
Other organisms that have thermoreceptive organs are pythons ( family Pythonidae ), some boas ( family Boidae ), the Common Vampire Bat ( " Desmodus rotundus " ), a variety of jewel beetles ( " Melanophila acuminata " ), darkly pigmented butterflies ( " Pachliopta aristolochiae " and " Troides rhadamantus plateni " ), and possibly blood-sucking bugs ( " Triatoma infestans " ).
