sentences:  The long-billed crombec's nest is a large, hanging bag of grasses, spider webs, and plant fibres, which is attached to the lower limbs of a tree, often an "Acacia".The one to three white eggs are incubated for two weeks to hatching, and the chicks are fed by both parents for another two weeks to fledging.This territorial species is monogamous, pairing for life.