Facts about Humpback Whales
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Humpback whales exhibit complex cooperative hunting behavior called bubble-net feeding, where groups of up to 22 individuals coordinate to trap fish schools.
- 10
In 1966, the International Whaling Commission implemented a global moratorium on commercial humpback whale hunting, allowing populations to recover from near extinction of approximately 5,000 individuals.
- 09
During deep dives, humpback whales can hold their breath for up to 20 minutes while hunting fish and krill at depths exceeding 600 feet.
- 08
Humpback whale calves double their body length within their first year, growing from approximately 16 feet at birth to 30-35 feet by weaning.
- 07
Humpback whales possess a specialized throat structure with 14 to 35 ventral grooves that expand to nearly double their body width during feeding lunges.
- 06
A newborn humpback whale calf gains approximately 150 pounds per day during its first year of life, nursing on milk containing 50 percent fat content.
- 05
Breaching, where humpback whales launch their 40-ton bodies nearly completely out of water, occurs up to 130 times in succession during a single session.
- 04
Each year, humpback whales consume up to 16,000 pounds of krill and fish during their feeding season in polar waters.
- 03
Pectoral fins on humpback whales reach up to 16 feet long, the longest appendages proportionally of any animal on Earth.
- 02
Humpback whales can produce songs lasting up to 20 minutes that they repeat for hours, with distinct dialects varying by population.
- 01
Humpback whales migrate up to 16,000 miles annually, the longest migration of any mammal on Earth.