On May 19, a new AI-based whale detection system was launched in San Francisco Bay, developed by WhaleSpotter, a company based in Somerville, Massachusetts. This initiative, a collaboration among government agencies and scientists, aims to enhance the safety of marine traffic by identifying gray whales in real-time using thermal cameras mounted on Angel Island. The system operates continuously, even at night and in foggy conditions, and alerts nearby vessels to potential whale encounters, allowing them to slow down or change course.
The urgency for such technology arises from alarming mortality rates among gray whales, with seven reported deaths in the bay this year alone, and a record 21 fatalities in 2025, primarily due to ship strikes. Scientists attribute the whales' recent detours into the bay to climate change, which has led to record-low sea ice levels and impacted their food sources. As a result, over 100 gray whales have been observed stopping in the bay since 2018, likely seeking nourishment during their long migration from Alaska to Mexico.
The WhaleSpotter system has already logged 6,600 whale detections within its first week and a half of operation. While the technology significantly reduces the risk of ship strikes, human verification remains essential to confirm detections and minimize false alarms. Future enhancements aim to further automate the process, ultimately relying more on AI for monitoring marine life.
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