
Snowy owl predation on lapland longspur nestlings recorded on film
The Auk
- By:
- T.W. Custer
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Abstract
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 exposure interval of either 8 or 30 seconds. At 07:00 on 14 July a Snowy Owl, Nyctea scandiaca, took the three largest of four young at a nest being monitored at 30-second intervals (Figure 1). The nestlings were 4, 6, 7, and 8 days posthatching and weighed approximately 12, 15, 20, and 20 g respectively on 13 July.
Additional publication details
- Publication type:
- Article
- Publication Subtype:
- Journal Article
- Title:
- Snowy owl predation on lapland longspur nestlings recorded on film
- Series title:
- The Auk
- Volume:
- 90
- Issue:
- 2
- Year Published:
- 1973
- Language:
- English
- Publisher:
- American Ornithological Society
- Contributing office(s):
- Upper Midwest Environmental Sciences Center
- Description:
- 3 p.
- First page:
- 433
- Last page:
- 435