Assertion: black footed albatross | /r/CapableOf | spend two years
Facets:
value: a behavior that probably evolved
type: OTHER
Source sentences:
text: The black-footed albatrosses return to the colony after three years, and spend two years building nests, dancing and being with prospective mates, a behavior that probably evolved to ensure maximum trust between the birds (raising an albatross chick is a massive energetic investment, and a long courting period establishes for both birds that the other is committed).