Results of Fall Aerial Whooping Crane Surveys
An aerial survey of the Aransas NWR and surrounding areas made 11/06/97 revealed the presence of 80 adult, 42 subadult, and 23 young whooping cranes. Total population estimated was 145. The flight was made in a charter aircraft with T. Stehn as observer.
One hundred twenty-two cranes have arrived since the last flight on October 31, 1997. Strong low pressure systems that reached the Texas coast November 1 and 5, 1997, aided the crane migration.
Chick survival appears excellent with 23 juveniles present. Based on August 1997 surveys in Wood Buffalo National Park up to 9 more chicks are expected to arrive, including two sets of twins.
The N. Dunham Point pair (Bullseye Lake) has arrived with a chick. They were not seen in Wood Buffalo during
1997. Adult female ByB-ByB, also not found in Wood Buffalo, has re-paired and arrived with a chick. Thus, these
Aransas families represent a record 50th and 51st nesting pairs in Wood Buffalo. Other families that have arrived
are from nests 9, 11, 15, 16, 17, 21, 24, 32, 34, 36, 39, 42, 47, 48, and 49. Six families present are from unknown
An aerial census of the Aransas NWR and surrounding areas made 11/13/97 revealed the presence of 140 adult and 29 young = 169 whooping cranes. The flight was made in charter aircraft with Tom Stehn as observer
Twenty-four cranes have arrived since the last flight on 06 November. New families to arrive are from nest
#'s 6, 13, 20, 23, and 40. Arrivals were aided by low pressure systems that reached the Texas coast 05 and 09