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Satellite Tracking

Why did animal X stop transmitting?

Albert Ross Jr.

Exploring Albatross Movements - 2008

A project of Albatross Conservation Collaborative.


click map for full-size version
Movements of a Black-footed Albatross equipped with a satellite-linked transmitter programmed to operate on a 60-second repetition rate for 6 hours (noon - 6 pm, California time) every day. Only good quality locations (classes 1, 2, 3, 0) are shown as connected filled circles, with the color indicating the timing of the location. Poor quality locations (classes A, B) are shown as black dots.

Full-Size Map (75KB)
Zoom Map (104KB)

Species: Black-footed Albatross
Life Stage: Sub-Adult (Plumage 2)
Gender: Unknown
Release Date: 2008-08-05 21:38:00
Release Location: Cordell Bank
Last Location: 2008-09-09 22:04:39

Background

This bird is named Albert Ross Jr. because it just seems to fit. Albert Ross Sr. was tracked in the first year of the study (2005). Submitted by Phil and Jean Warren.

After 35 days of transmissions, Albert Ross Jr. stopped transmitting on September 9th. The transmitter sensor data indicated that the batteries were not exhausted at the time the transmissions ceased, suggesting one of two possibilities: the tag fell off when the adhesive tape wore off, or the bird died at sea. Because albatross are incidentally taken in pelagic longlines, fisheries bycatch is a plausible explanation.

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