Whale watchers in New York and New Jersey have documented their 500th individual humpback whale, a milestone that underscores the increasing presence of these marine mammals in local coastal waters. According to Chris St. Lawrence, a spokesperson for the Staten Island-based nonprofit Gotham Whale, the region has become a vital feeding ground due to improved water quality and successful fishery management.
Did You Know? The markings found on the underside of a humpback whale’s tail flukes are unique to each individual animal, functioning much like human fingerprints to help researchers track specific whales over time.
Factors Driving Humpback Whale Presence in Local Waters
The rise in whale sightings is linked to a significant shift in the local ecosystem. As climate change warms ocean temperatures and alters the distribution of prey species, traditional feeding grounds in New England and Canada have been disrupted, according to St. Lawrence. Cleaner water and better-managed fish populations in New York and New Jersey have provided a new, reliable food resource for the whales.
Data from the New York City Humpback Whale Catalog shows a steady increase in identified individuals. When the project launched in 2012, volunteers and boat crews typically spotted between 10 and 30 new whales annually. That number has since climbed to between 80 and 100 new whales per year. St. Lawrence notes that while increased public awareness plays a role in these numbers, the whales are also choosing to stay in the area for longer periods, often spending weeks or months fattening up before their winter migration.
Risks in Busy Shipping Lanes
Despite the ecological success, the whales face significant hazards in one of the nation’s busiest maritime corridors. The Port of New York and New Jersey was the second-busiest port for cargo imports in the country in June, according to the Port Authority. The high volume of ship and boat traffic has led to frequent sightings of whales bearing wounds or scars from propeller strikes.
Federal authorities have maintained an “unusual mortality event” designation for humpback whales along the Atlantic Coast since 2016. During this period, 266 humpback whale deaths have been documented, with New York and New Jersey reporting the highest numbers along the Eastern seaboard. A 2024 study conducted by Stony Brook University and the National Oceanic and Atmospheric Administration identified vessel strikes as the major driver of these deaths, particularly among “naïve, juvenile” whales that frequent the region.
Expert Insight: The intersection of increased whale activity and high-density shipping lanes creates a persistent conflict. While the cataloging efforts provide critical behavioral data, the long-term survival of these humpbacks likely depends on whether this research can effectively inform future vessel traffic management or safety strategies in the region’s active shipping channels.
Frequently Asked Questions
Why are there more humpback whales in New York and New Jersey waters?
According to Gotham Whale, cleaner water and improved fishery management have created new food sources, which have become essential as climate change disrupts the whales’ traditional feeding grounds further north.
How do researchers tell the whales apart?
Researchers use the unique markings on the underside of the whales’ tail flukes to identify and differentiate each individual animal.
What is the primary cause of whale deaths in this region?
A 2024 study from Stony Brook University and the National Oceanic and Atmospheric Administration found that vessel strikes are the major driver of whale deaths, a risk exacerbated by the presence of juvenile whales in busy shipping lanes.
How might regional maritime practices change to better accommodate the growing number of whales in these busy waters?
Related reading