Whale watching is a multi-billion dollar industry with potential for both welfare benefit and harm. Evidence-based guidelines separate responsible ecotourism from encounters that disturb and stress cetaceans.
Whale watching presents a genuine welfare dilemma - it generates income that can fund conservation while potentially causing harm to the animals it depends on. Cetaceans experiencing boat disturbance show measurable behavioral disruption: altered dive patterns, reduced foraging, increased energy expenditure, communication interference. Chronic exposure to heavy vessel traffic in critical feeding or calving areas can compromise individual welfare and population health. The welfare-conscious answer is not to eliminate whale watching but to implement and enforce evidence-based guidelines: minimum approach distances, engine noise limits, maximum boat numbers, and prohibition of swim-with encounters. The revenue from responsible watching can then genuinely serve conservation.