It is observed on April 14 each year.

How do people celebrate Dolphin Day?

Learn how genuinely intelligent dolphins are — they have one of the highest brain-to-body weight ratios of any mammal, and live in cooperative social groups called pods.

Annual observance

Dolphin Day

April 14 Cultural / community observance Updated 2026-07-08

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Overview

Dolphin Day, observed annually on April 14th, is dedicated to raising awareness about dolphins, their vital role in marine ecosystems, and the conservation challenges they face. It serves as an opportunity to educate the public about these intelligent marine mammals, promote their protection, and advocate for healthy oceans.

Why it matters: Dolphin Day, celebrated on April 14, emphasizes the importance of dolphins in marine ecosystems and highlights the conservation challenges they face. This observance fosters awareness and education about these intelligent creatures, encouraging efforts to protect their habitats and promote ocean health.

Origin and story

Dolphins are highly intelligent, with a brain-to-body weight ratio second only to humans among mammals.

They live in complex social groups called 'pods,' which can range from a few individuals to hundreds, and exhibit cooperative hunting behaviors.

Quick facts

DateApril 14
TypeCultural / community observance
Great forFriends, Families, Classrooms, Teams

Also on this date

Ways to celebrate

Dolphin Day celebrates an animal whose brain research keeps turning up genuinely surprising results — from empathy to individual names.

See them in action

Celebrate by:

Watching real footage of dolphins hunting cooperatively in pods instead of just cartoon depictions.
Supporting a marine conservation group focused on dolphin protection.
Learning what responsible, welfare-focused dolphin-watching actually looks like.

Learn about dolphin intelligence

Helpful resources:

Dolphin Facts (National Geographic)

Did you know?

Each dolphin develops its own unique signature whistle that functions like a name — and dolphins have been shown to recognize each other's whistles even after more than 20 years apart.

Fun facts

Dolphins are highly intelligent, with a brain-to-body weight ratio second only to humans among mammals.
They live in complex social groups called 'pods,' which can range from a few individuals to hundreds, and exhibit cooperative hunting behaviors.
Dolphins use echolocation, a natural sonar system, to navigate, locate food, and detect objects by emitting sound waves and interpreting the echoes.

Sources and attribution

Dolphin Facts (National Geographic)

External links may lead to third-party websites.

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FAQ

When is Dolphin Day?: It is observed on April 14 each year.
What is Dolphin Day?: Dolphin Day, observed annually on April 14th, is dedicated to raising awareness about dolphins, their vital role in marine ecosystems, and the conservation challenges they face. It serves as an opportunity to educate the public about these intelligent marine mammals, promote their protection, and advocate for healthy oceans.
How do people celebrate Dolphin Day?: Learn how genuinely intelligent dolphins are — they have one of the highest brain-to-body weight ratios of any mammal, and live in cooperative social groups called pods.

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