Every spring and fall the Platte River Recovery Implementation Program (Program) implements systematic aerial flights and ground searches to document the presence of whooping cranes within the
) for the Program. This monitoring typically occurs from 6 March – 29 April in the spring and 9 October – 15 November in the fall; however, the monitoring seasons have been initiated early or extended when whooping cranes are known to be within the
outside of these ranges of dates.
Between 9 October and 22 November, 2017, a total of 23 whooping cranes were detected by the Program’s monitoring efforts. These birds accumulated a total of 198 whooping crane use days, which surpassed the previous high of 121 that was observed in 2002.
Spring 2018 was a remarkable monitoring season for the Program. Between 6 March and 29 April, 2018, a total of 118 whooping cranes were detected by the Program’s monitoring efforts which surpassed the previous high of 65 observed in 2017. These birds accumulated a total of 492 whooping crane use days which surpassed the previous high of 194 that was observed in 2017.