Assertion: raven's crow | /r/CapableOf | increase in number
Facets:
Source sentences:
text: Since crows and magpies have benefited and even increased in numbers due to human development, it was suggested that this might cause increased rates of nest predation of smaller bird species, leading to declines.
text: One study examined American crows, which had increased in numbers, were a suspect in nest predation of threatened marbled murrelets.