Thomas Custer (Former Employee)
Science and Products
Filter Total Items: 166
Wading birds as biological indicators: 1975 colony survey Wading birds as biological indicators: 1975 colony survey
No abstract available.
Authors
Thomas W. Custer, Ronald G. Osborn
Wading birds as biological indicators: 1975 colony survey Wading birds as biological indicators: 1975 colony survey
No abstract available.
Authors
Thomas W. Custer, Ronald G. Osborn
Demographic features of a lapland longspur population near Barrow, Alaska Demographic features of a lapland longspur population near Barrow, Alaska
Breeding density, clutch size, hatching and fledging success, and survival of adult Lapland Longspurs (Calcarius lapponicus) were monitored over a 7-year period near the Naval Arctic Research Laboratory, Barrow, Alaska. Nesting begins as soon as the tundra starts to clear of snow and appears to be timed so that the young of the year reach independence before the end of adult insect...
Authors
Thomas W. Custer, Frank A. Pitelka
Snowy owl predation on lapland longspur nestlings recorded on film Snowy owl predation on lapland longspur nestlings recorded on film
During the summer of 1971 I investigated the breeding biology of the Lapland Longspur, Calcarius lapponicus, near Barrow, Alaska. To obtain data on incubation and feeding patterns of nesting longspurs, time-lapse cameras (Minolta Autopak-8 D6 super-8 movie cameras equipped with an Intervalometer-P time-lapse device) were positioned at several nests throughout the nesting season with an...
Authors
T. W. Custer
Science and Products
Filter Total Items: 166
Wading birds as biological indicators: 1975 colony survey Wading birds as biological indicators: 1975 colony survey
No abstract available.
Authors
Thomas W. Custer, Ronald G. Osborn
Wading birds as biological indicators: 1975 colony survey Wading birds as biological indicators: 1975 colony survey
No abstract available.
Authors
Thomas W. Custer, Ronald G. Osborn
Demographic features of a lapland longspur population near Barrow, Alaska Demographic features of a lapland longspur population near Barrow, Alaska
Breeding density, clutch size, hatching and fledging success, and survival of adult Lapland Longspurs (Calcarius lapponicus) were monitored over a 7-year period near the Naval Arctic Research Laboratory, Barrow, Alaska. Nesting begins as soon as the tundra starts to clear of snow and appears to be timed so that the young of the year reach independence before the end of adult insect...
Authors
Thomas W. Custer, Frank A. Pitelka
Snowy owl predation on lapland longspur nestlings recorded on film Snowy owl predation on lapland longspur nestlings recorded on film
During the summer of 1971 I investigated the breeding biology of the Lapland Longspur, Calcarius lapponicus, near Barrow, Alaska. To obtain data on incubation and feeding patterns of nesting longspurs, time-lapse cameras (Minolta Autopak-8 D6 super-8 movie cameras equipped with an Intervalometer-P time-lapse device) were positioned at several nests throughout the nesting season with an...
Authors
T. W. Custer