How A Whale And A Bear Beat The System

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While the rest of the world’s megafauna are still foundering in the anthropocene era, these two big animals have used little animal strategies to bounce back. Way back.

LEARN MORE
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To learn more about this topic, start your googling with these keywords:
- Megafauna: Large animals, usually over 45 Kgs.
- Anthropocene era: A proposed time period delineated the age during which human activity has been the dominant force on the environment and the climate.
- Holocene Extinction: An ongoing extinction event of species due to human activity.
- Fertility Rate: The number of babies an organism has in its lifetime.
- Omnivory: The ability to eat food from two different trophic levels.
- Bubble-Net Feeding: A cooperative hunting technique where groups of whales use bubbles to disorient fish prey.

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CREDITS
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David Goldenberg | Script Writer, Narrator and Director
Adam Thompson | Illustration, Video Editing and Animation
Nathaniel Schroeder | Music

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Sarah Berman • Arcadi Garcia i Rius
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REFERENCES
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Vivitskaia, J D, Tulloch, Éva E Plagányi, Richard Matear, Christopher J Brown, Anthony J Richardson. (2017) Ecosystem modelling to quantify the impact of historical whaling on Southern Hemisphere baleen whales. Fish and Fisheries, 19:1 (117-137). Retrieved from: https://onlinelibrary.wiley.com/doi/10.1111/faf.12241

Kosma Madison M., Werth Alexander J., Szabo Andrew R. and Straley Janice M. (2019). Pectoral herding: an innovative tactic for humpback whale foraging. Royal Society Open Science. 6:10. Retrieved from: https://royalsocietypublishing.org/doi/10.1098/rsos.191104

Ritchie, Hannah, Roser, Max. "Biodiversity". Published online at OurWorldInData.org. Retrieved from: 'https://ourworldindata.org/biodiversity

Pershing, A. J., Christensen, L. B., Record, N. R., Sherwood, G. D., & Stetson, P. B. (2010). The impact of whaling on the ocean carbon cycle: why bigger was better. PloS One, 5(8), e12444. Retrieved from: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0012444

Ripple, William J., Newsome, Thomas M., Wolf, Christopher, Dirzo, Rodolfo, Everatt, Kristoffer, T.Galetti, Mauro, Hayward, Matt W.Kerley, Graham I. H.Levi, Taal, Lindsey, Peter A, Macdonald, David W. Malhi, Yadvinder, Painter, Luke E.Sandom, Christopher J., Terborgh, JohnVan, Valkenburgh, Blaire. (2015) Collapse of the world’s largest herbivores. Science Advances. 1:3 Retrieved from: https://advances.sciencemag.org/content/1/4/e1400103/tab-pdf

Meynecke, Olaf. 2021. Personal communication. Center for Coastal and Marine Management, Griffith University. https://www.dr-olaf.com/

Pallin Logan J., Baker C. Scott, Steel Debbie, Kellar Nicholas M., Robbins Jooke, Johnston David W., Nowacek Doug P., Read Andrew J. and Friedlaender Ari S. (2018) High pregnancy rates in humpback whales (Megaptera novaeangliae) around the Western Antarctic Peninsula, evidence of a rapidly growing population. Royal Society Open Science. 5:5. Retrieved from: http://doi.org/10.1098/rsos.180017

Holland, Jennifer. (2015) Black Bears Are Rebounding - What Does That Mean For People? National Geographic. Retrieved from: https://www.nationalgeographic.com/animals/article/150626-black-bears-animals-science-nation-conservation?loggedin=true

Ramona L. Gonzales, Alejandra V. Mendoza, Brendan M. Himelright, Jenna M. Moore, Thomas J. Spady (2013) American black bear mating behavior and chemosensation of estrus. Ursus, 24(2), 139-147. Retrieved from: https://bioone.org/journals/ursus/volume-24/issue-2/URSUS-D-12-00026.1/American-black-bear-mating-behavior-and-chemosensation-of-estrus/10.2192/URSUS-D-12-00026.1.short

Himelright, B. M., Moore, J. M., Gonzales, R. L., Mendoza, A. V., Dye, P. S., Schuett, R. J., Durrant, B. S., Read, B. A., & Spady, T. J. (2014). Sequential ovulation and fertility of polyoestrous in American black bears (Ursus americanus). Conservation physiology, 2(1), Retrieved from: https://doi.org/10.1093/conphys/cou051