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Size Matters: Examining the Effects of Body Size on Birth Rates in North Atlantic Right Whales

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Recent research reveals that smaller female North Atlantic right whales produce fewer calves over their reproductive years. Their body size has been declining in recent decades due to increased entanglements in fishing gear and other factors.

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Injured North Atlantic Right Whale

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North Atlantic right whale Juno and her injured calf swimming off Sapelo Island, Georgia in February 2024. The calf dives underwater, likely to nurse. Juno has scars from an entanglement and presumed boat strike. Credit: Georgia DNR/NOAA permit 24359
Exploring the Deep Gulf of Mexico (2022 Meso-Deep Cruises)

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In 2022, NOAA and collaborators conducted scientific cruises in deeper areas of the Gulf of Mexico near the location of the 2010 Deepwater Horizon oil spill. The cruises support deep-sea species and habitat restoration.
NOAA and Partners Restoring 1,200 Acres of Marsh in Louisiana's Upper Barataria Basin

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This massive project will contribute to the restoration of wetland, coastal, and nearshore habitats injured by the Deepwater Horizon oil spill.

Size Matters: Examining the Effects of Body Size on Birth Rates in North Atlantic Right Whales

Southeast Region Similar Videos

Injured North Atlantic Right Whale

Exploring the Deep Gulf of Mexico (2022 Meso-Deep Cruises)

NOAA and Partners Restoring 1,200 Acres of Marsh in Louisiana's Upper Barataria Basin

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