Migratory timing of humpback whales (Megaptera novaeangliae) in the central North Pacific varies with age, sex and reproductive status. (2003)
Journal Article
Craig, A. S., Herman, L. M., Gabriele, C. M., & Pack, A. A. (2003). Migratory timing of humpback whales (Megaptera novaeangliae) in the central North Pacific varies with age, sex and reproductive status. Behaviour, 140, 981-1000. https://doi.org/10.1163/156853903322589605

Humpback whales migrate seasonally between high-latitude summer feeding grounds and low-latitude winter breeding grounds. Identification photographs of humpback whales were collected in the Hawaiian Islands between 1977 and 1995, and sighting histori... Read More about Migratory timing of humpback whales (Megaptera novaeangliae) in the central North Pacific varies with age, sex and reproductive status..

The Sustainability of Whale-watching in Scotland (2003)
Journal Article
Woods-Ballard, A., Parsons, E., Velander, K., Hughes, A., Ladle, R., & Warburton, C. (2003). The Sustainability of Whale-watching in Scotland. Journal of Sustainable Tourism, 11(1), 40-55. https://doi.org/10.1080/09669580308667192

Scotland's tourism trade grosses £2.5 billion annually and supports 180,000 jobs; whale-watching is an important part of this activity. Whales and dolphins are the country's number one wildlife attraction and with 11,770 km of coastline the potential... Read More about The Sustainability of Whale-watching in Scotland.