At-sea activity and diving behavior of a radio-tagged Marbled Murrelet in central California
Waterbirds
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Abstract
Radio-telemetry was used to continuously monitor the at-sea activity of an adult Marbled Murrelet (Brachyramphus marmoratus) nesting in Santa Cruz County, California. From 05.39 h on 28 May 1997, to 05.14 h on 29 May 1997, the murrelet was followed by tracking teams at Año Nuevo Bay. Between 05.44 h and 20.19 h on 28 May, the bird engaged in eleven dive bouts, with a mean duration of 18.8 ± 5.4 min. Mean dive duration was 24.8 ± 15.7 s; mean surface between dives was 15.2 ± 12.7 s. No dives were initiated after 20.19 h. The bird spent 12.3% of the at-sea period and 23.4% of daylight hours engaged in diving bouts. This relatively small amount of time spent diving allows for considerable flexibility in activity budget.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | At-sea activity and diving behavior of a radio-tagged Marbled Murrelet in central California |
| Series title | Waterbirds |
| DOI | 10.1675/1524-4695(2004)027[0009:AAADBO]2.0.CO;2 |
| Volume | 27 |
| Issue | 1 |
| Year Published | 2004 |
| Language | English |
| Publisher | The Waterbird Society |
| Contributing office(s) | Western Ecological Research Center |
| Description | 4 p. |
| First page | 9 |
| Last page | 12 |