Assertion: hummingbird | /r/CapableOf | tolerate human observers
Facets:
value: for prolonged time
type: TEMPORAL
value: in urban environment
type: LOCATION
Source sentences:
text: Warning calls are also given at mammalian carnivores and humans, though in urban environment this hummingbird may tolerate human observers for prolonged time, even when nesting, if they keep a distance of 10 meters or so.