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Whale injuries reveal growing boat strike danger
4 Oct
Summary
- Humpback whales suffer severe injuries from boat strikes.
- Whale population boom increases collision risks.
- Experts call for speed limits and awareness for vessels.
Images documenting severe injuries to humpback whales, including tail and fin damage from boat and propeller strikes, are highlighting a growing concern along Australia's east coast. These incidents involve deep cuts and lacerations, affecting both adult and juvenile whales during their migration.
One particularly graphic instance in Hervey Bay, Queensland, involved a whale calf with visible slash marks from a boat propeller on its back. Similar injuries have been observed off Sydney and near southern New South Wales, with one whale bearing scars thought to be over 20 years old.
Experts attribute the increase in such strikes to the remarkable recovery of the humpback whale population, which has grown from under 300 in the 1960s to an estimated 40,000 to 50,000 annually. This population boom, coupled with increased boating activity, has led to a rise in vessel collisions.
Conservationists and marine ecologists are calling for proactive measures, including reduced vessel speeds in known migration areas and enhanced awareness among boat operators. The International Whaling Commission has identified vessel strikes as a priority concern, with resolutions passed to reduce these occurrences globally.
While reporting collisions is legally mandated in Australia, many incidents go unreported or undetected. Experts emphasize that even non-fatal strikes can have severe long-term consequences for whale health, affecting their ability to migrate, feed, and reproduce due to pain, infection, and loss of energy efficiency.
