Around Peninsula Valdés, the most famous whale species is the southern right whale (Eubalaena australis). These whales migrate to the protected waters of the peninsula between June and December for breeding and calving. They are known for their slow movements, distinctive callosities on their heads, and their habit of breaching and tail-slapping.
Other whale species that can sometimes be spotted in the area include:
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Orcas (Killer Whales) (Orcinus orca) – Present year-round but most commonly seen in March and April, when they engage in their dramatic intentional stranding behavior to hunt sea lion pups along the shores of Punta Norte.
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Humpback Whales (Megaptera novaeangliae) – Occasionally seen, though not as commonly as southern right whales.
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Sei Whales (Balaenoptera borealis) – Rare, but some individuals have been recorded in deeper waters off the peninsula.
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The Southern Right Whale in Peninsula Valdes
The southern right whales (Eubalaena australis) that visit Peninsula Valdés are among the most iconic marine mammals in Argentina. These whales migrate to the calm, shallow waters of the Golfo Nuevo and Golfo San José between June and December for breeding and calving, making this one of the best places in the world to see them up close.
Characteristics of Southern Right Whales
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Size: Adults range from 13 to 16 meters (43 to 52 feet) in length and can weigh up to 60 tons.
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Coloration: Mostly black with occasional white patches on the belly.
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Callosities: Rough, white skin patches on their heads, unique to each individual (like fingerprints).
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No Dorsal Fin: Unlike many other whales, southern right whales lack a dorsal fin, giving them a distinctive rounded back.
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V-Shaped Blow: Their blowhole is divided, producing a characteristic V-shaped spout when they exhale.
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Behavior & Sightings in Peninsula Valdés
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Breeding & Calving: Pregnant females arrive to give birth in the sheltered waters, making September and October prime months to see mothers with their calves.
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Active Surface Behavior: These whales are known for their spectacular breaching, tail-slapping, and spy-hopping (raising their heads out of the water).
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Curiosity Toward Boats: Unlike some whale species, southern right whales often approach boats and display friendly behavior, making whale-watching tours from Puerto Pirámides a remarkable experience.
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Why Peninsula Valdés?
Peninsula Valdés offers a perfect habitat due to:
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Shallow, protected waters, which help calves grow safely.
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Abundant food sources nearby, ensuring a healthy environment.
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Strict conservation measures, as the area is a UNESCO World Heritage Site, protecting these magnificent creatures.
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