Marine Science & Dolphin Biology

Dolphins Have 2 Stomachs — And That's Just the Beginning

Explore the fascinating world of dolphin biology, intelligence, and behavior through in-depth articles and interactive science tools.

2Stomachs
40+Years Lifespan
90Species Worldwide
IQ ~45Intelligence Score
🫁2 Stomachs
🧠Big Brain
😴Half-Brain Sleep
🔊Echolocation
🌊90 Species
🫂Social Pods
🐟Eat Fish Whole
💨Hold Breath 12 Min
🎵Unique Whistles
🌍Every Ocean

Featured Articles

Explore Dolphin Science

In-depth, research-backed articles on everything dolphins.

Dolphin swimming underwater
Biology

Why Do Dolphins Have 2 Stomachs?

The fascinating digestive system that makes dolphins one of the ocean's most efficient predators.

8 min read
 Dolphin jumping out of water
Intelligence

How Smart Are Dolphins Really?

Dolphins recognize themselves in mirrors, use tools, and teach skills to their young. Discover the science of dolphin intelligence.

9 min read
 Dolphins in the ocean
Communication

How Dolphins Communicate & Use Echolocation

Every dolphin has a unique whistle — their own name. Learn how their complex language system works.

8 min read
 Dolphins in blue water
Behavior

How Do Dolphins Sleep With One Eye Open?

Dolphins never fully lose consciousness. Discover the remarkable half-brain sleep system that keeps them safe.

7 min read
 Ocean blue water
Wildlife

Dolphin vs Shark: Who Really Wins?

Sharks are apex predators, but dolphins fight back — and sometimes win. The surprising truth about this ocean rivalry.

8 min read
 Pod of dolphins
Species

Complete Guide to Dolphin Species

From the tiny Māui dolphin to the massive orca — a guide to the 90 species in the dolphin family.

10 min read

Interactive Tools

Dolphin Science Tools

Free interactive tools to explore dolphin biology hands-on.

🐬

Dolphin Age Calculator

How old would you be in dolphin years? Compare your age to a dolphin's lifespan and life stages.

Try the Tool →
📏

Dolphin Size Comparator

Compare the sizes of 10 dolphin species side by side — from tiny to enormous.

Compare Sizes →
🧠

Dolphin IQ Quiz

Test your dolphin knowledge with 10 science questions. How much do you really know?

Take the Quiz →

More Articles

Keep Exploring

More deep-dives into the world of dolphins.

Dolphin in ocean
Biology

How Dolphin Digestion Works

A step-by-step look at how dolphins process food through their unique two-stomach system.

7 min read
 Dolphins swimming together
Behavior

Dolphin Social Behavior & Pod Life

Dolphins live in complex social groups with friendships, alliances, and even politics. Here's how pods work.

8 min read
 Dolphin swimming
Baby Dolphins

Baby Dolphin Facts: Birth to Adult

Baby dolphins are born tail-first and can swim from their first breath. Discover their remarkable early lives.

7 min read