Umwelt
/ˈo͝omvelt/
German translation: environment
A biological concept popularized by early 20th century German biologist Jacob von Uexküll.
An Umwelt is the slice of reality that a living organism can perceive and experience out of the vast fullness of the physical world. It gives the illusion of completeness, because it feels all-encompassing, and humans can easily fall into the trap of mistaking our personal sensory bubble for the entirety of reality.
Yong, E. (2022). An immense world: How animal senses reveal the hidden realms around us. Random House.
Seeing the World Through Different Eyes:
Umwelt
and
Compassion
Seeing the World Through Different Eyes:
Umwelt
and
Compassion
Pause for a moment and look around you. The room you’re in, the sounds you hear, the light on the walls—this feels like reality. Solid. Objective. The same for everyone.
But it isn’t.
Each creature on Earth inhabits its own private world of experience, shaped by its senses and its brain. This subjective bubble is called an Umwelt—a term from biologist Jakob von Uexküll—and it changes everything about how we understand other species, and even each other.
Understanding umwelt doesn’t just make the world more fascinating; it can also make us more compassionate. Once you realize that everyone is living in a slightly different world—even when they’re standing right next to you—it becomes harder to judge and easier to empathize.
What Is Umwelt?
Umwelt (a German word roughly meaning “environment” or “surrounding world”) is the idea that every organism experiences only a slice of reality, filtered through its unique sensory systems, body, and brain.
Reality, in this sense, is not a single shared movie we all watch together. It’s more like millions of different films playing in parallel—one for every species, and even subtle variations between individuals of the same species.
Your umwelt includes:
• What you can sense (sight, sound, smell, etc.)
• How your brain interprets those signals
• The meanings you’ve learned to attach to those sensations
The same physical world “out there” becomes very different worlds “in here.”
Different Species, Different Worlds
To see how dramatic this can be, imagine the same scene—a garden at dusk—through different eyes.
The Human in the Garden
You might see:
• The warm colors of the sunset
• The shapes of trees and flowers
• The sound of distant traffic
• The faint scent of grass
This is your normal, taken-for-granted reality.
The Dog in the Garden
A dog in the same garden is living in a completely different umwelt.
• The visual scene is less colorful and detailed than yours
• But the smell of the garden is rich and layered—like a 3D story of who has passed through, what they ate, and how they felt
• Your dog might barely notice the sunset but be captivated by a scent trail on the ground
The dog’s world is not less than yours; it’s differently tuned.
The Bee in the Garden
Now imagine a bee.
• Bees see ultraviolet patterns on flowers that humans cannot see at all
• To a bee, some flowers glow with directional “landing strips” guiding it to nectar
• Time may feel different, and movement patterns in the air matter far more than for humans
We share the same physical space, but the bee’s garden and your garden are not the same world.
The Bat in the Night
A bat flying overhead at dusk experiences yet another umwelt.
• It navigates primarily through echolocation, emitting high-frequency sounds and reading the echoes that return
• What matters is distance, shape, movement in 3D space—not colors or visual details
The bat’s world is a world of echoes. The “real” garden is filtered into acoustic geometry.
Humans Also Live in Different Umwelten
It’s tempting to accept that dogs, bees, and bats have different inner worlds, but assume that all humans share essentially the same one.
We don’t.
Like other species, each human has a distinct umwelt, shaped by:
• Biology: differences in vision, hearing, sensitivity, neurodiversity
• History: past experiences, trauma, education, culture
• Beliefs and values: what we care about and pay attention to
• Current state: mood, stress, hormones, fatigue
Two people can be in the same room, at the same time, and have radically different experiences of “what happened.”
A Simple Example: A Party
Imagine a crowded social gathering.
• One person feels energized—music is exciting, people are friendly, the room feels vibrant
• Another person feels overwhelmed—too loud, too bright, too many eyes, every small silence feels like judgment
Same room. Same music. Same conversations.
But their umwelten—the worlds they inhabit—are vastly different. One moves easily toward the center of the room. The other looks for an exit.
Neither perception is wrong. They are different personal realities constructed from the same external situation.
How Experience Shapes Perception
Our brains are not cameras; they are pattern-makers.
If you’ve been hurt in relationships, your umwelt may be tuned to pick up signs of rejection or danger, even where others see nothing troubling.
If you grew up in a safe, supportive environment, your umwelt might naturally highlight opportunity and connection instead of threat.
The difference shows up in:
• How you read someone’s facial expression
• How you interpret a delayed text message
• How you feel in new situations
What one person calls “overreacting” may simply be another person’s nervous system responding to a world that feels, to them, unsafe or uncertain.
The Myth of a Single, Shared Reality
We talk as if there is one straightforward reality that everyone can see, if only they were honest or rational enough.
But umwelt suggests something more subtle:
• There is a shared physical world
• Yet there are many subjective realities built on top of it
Conflict often comes from confusing these two.
When we insist, “It obviously happened this way” or “Any reasonable person would feel X,” we’re assuming everyone shares our filters, history, and sensitivity.
They don’t.
Understanding umwelt doesn’t mean “anything goes” or that facts don’t matter. It means:
• Facts live at one level of reality
• Lived experience, shaped by umwelt, lives at another
Both matter.
Umwelt as a Path to Compassion
So what does all of this mean for how we treat one another?
1. Less Judgment, More Curiosity
When someone reacts in a way that seems strange or disproportionate, instead of thinking:
“What’s wrong with them?”
We can ask:
“What does the world feel like from where they stand?”
This shift—from judgment to curiosity—is the beginning of compassion. It recognizes that you’re not just dealing with a set of behaviors, but with a whole world of perception and meaning behind those behaviors.
2. Recognizing Invisible Differences
Some differences in umwelt are obvious: a person who is colorblind literally sees different colors. Others are less visible:
• A person with anxiety may experience a constant background hum of threat
• Someone who is neurodivergent may find certain sounds or textures intensely overwhelming
• A person from a marginalized community may sense danger or exclusion in places that feel neutral or welcoming to others
You might not feel those things in your own body, but they are real in someone else’s umwelt.
Taking this seriously is a powerful act of respect.
3. Making Space for Multiple Truths
Two people can describe the same event differently and both be telling the truth as they experienced it.
Instead of arguing over whose version is “correct,” we can recognize:
• Each person’s nervous system highlighted different signals
• Each person brought their own history and expectations
• Each person’s umwelt filtered reality in its own way
From this perspective, the goal is less about proving who’s right and more about understanding how each person’s world led them to feel and interpret things as they did.
Applying Umwelt in Everyday Life
How can you bring the idea of umwelt into your day-to-day interactions?
1. In Conversations
When a disagreement arises, try adding questions like:
• “What was that like for you?”
• “What did you notice or feel in that moment?”
• “What did this situation mean to you?”
These questions aren’t just about collecting facts; they’re about exploring the other person’s umwelt.
2. In Relationships
With people you’re close to, notice patterns:
• What situations light them up or shut them down?
• What environments make them relaxed vs. tense?
• What do they pay attention to that you might miss?
Instead of assuming they “should” respond like you, recognize that they might be wired differently or carry different experiences. Adapting to each other’s umwelten—choosing lighting, noise levels, routines, and communication styles that work for both of you—is a quiet but profound form of care.
3. In How You See Yourself
Umwelt isn’t just about others; it’s also a lens for self-compassion.
If you often feel “too sensitive,” “too anxious,” or “not enough,” it might help to think:
• “My nervous system is picking up things others may not notice.”
• “My history has tuned my brain for certain threats or opportunities.”
• “My umwelt is not defective; it’s just differently calibrated.”
From there, you can ask what support, boundaries, or environments would better fit your particular world of experience.
Living Side by Side in Different Worlds
On the surface, it seems like humans and other species are sharing a single world. But zoom in, and you realize: each of us is walking through a reality shaped by our senses, our brains, and our life stories.
• The bat’s night sky of echoes
• The bee’s ultraviolet flower maps
• The dog’s scented landscape of stories
• Your own reality, filled with meanings that only you can fully feel
And beside you, other humans—friends, colleagues, strangers on the street—are each inhabiting their own umwelten.
We can’t step entirely into someone else’s world, but we can remember that it exists. We can let go of the assumption that our way of seeing is the way of seeing.
The more we understand that we’re all experiencing the same physical reality differently, the more room there is for patience, kindness, and grace.
In the end, umwelt is not just a scientific idea. It’s an invitation: to look at every being you meet—human or otherwise—and remember there is a whole world of experience behind those eyes.
And the moment you honor that, you’re already practicing compassion.
And that makes all the difference.