Home / Environment / Tiny Tag Reveals Giant Journey: Shearwaters Head to Solomon Sea
Tiny Tag Reveals Giant Journey: Shearwaters Head to Solomon Sea
21 Sep
Summary
- Newly fledged shearwaters travel 1,000 km to Solomon Sea within two weeks.
- Solomon Sea, rich in nutrients, is vital for young shearwaters' dangerous journey.
- Nearly a third of tagged shearwaters ingested plastic, survival rates are low.
Young Sable Shearwaters undertake a remarkable first flight, traveling an average of nearly 1,000 kilometers to the Solomon Sea within two weeks of fledging. This discovery, made by researchers using solar-powered GPS tags, highlights the Solomon Sea's crucial role for juvenile birds during a dangerous period. The convergence on this region was consistent across tracking data from 2022 and 2024.
The Solomon Sea offers a unique, nutrient-rich environment supporting diverse marine life, making it ideal for young shearwaters. Despite its ecological significance, the area has been largely absent from seabird conservation research and mapping efforts. Researchers faced challenges with tag malfunctions and data loss, with nearly a third of tags from 2022 failing early.
Further concerns arose as three-quarters of the tracked shearwaters had ingested plastic, some carrying significant amounts. Combined with low survival rates compared to related species and the high rate of tag failure, researchers suggest the missing tracks may indicate early mortality within the population. These ongoing observations will continue to be monitored.
