Assertion: booby | /r/CapableOf | do at steep penalty
Facets:
value: to future reproductive success
type: PURPOSE
value: to health
type: PURPOSE
Source sentences:
text: Siblicide has been well studied in this species; researchers such as David Anderson have demonstrated that while the boobies can manage to feed two chicks if siblicide is prevented, they do so at a steep penalty to health and future reproductive success.