Crowd Source parallels the daily migration of the crows who, aside from fledgling season, fly across metro Vancouver every day at dawn and dusk. This durational study echoes their flight, occasionally touching down to reflect on human-crow interactions. Attentive to the great intelligence and perspectives of corvid and non-human communications, the poems in Crowd Source engage historical and strategic examples of how these songbirds gather and disperse. Continuing Nicholson's engagement with the contemporary climate crisis, social movements, and Black diasporic relations, this is a text for all concerned about practising ecological futurities befitting corvid sensibilities, caw.