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When Is a Species Lost Forever?

The slender-billed curlew as an illustrated case study

By Mikael Angelo Francisco
February 3, 2025

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Mikael Angelo Francisco

Posted on February 3, 2025

Mikael Angelo Francisco is a science journalist and illustrator from the Philippines who enjoys writing about paleontology, biodiversity, environment conservation, and science in pop culture. He has written and edited books about media literacy, Filipino scientists, and science trivia.

Arts

“There Were Periods When I Felt He Ruined My Life”

Philosophy

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Zoology

Ancient Seas Hosted the Ultimate Squid Game

Fuel your wonder. Feed your curiosity. Expand your mind.

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Ancient Seas Hosted the Ultimate Squid Game
- By Bob Grant
- June 27, 2025
- Zoology
100 million years ago, the charismatic cephalopods ruled Earth’s oceans
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Your Mind Is Part of the Ecosystem
- By Timothy Morton
- June 27, 2025
- Philosophy
Recognizing the link between mental and ecological health can change how we relate to the world and ourselves
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We Didn’t Start the Fire
- By Kristen French
- June 26, 2025
- Paleontology
But our ancient ancestors set the world ablaze 50,000 years ago
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Rethinking the Big Bang
- By Tom Metcalfe
- June 26, 2025
- Astronomy
The largest map of the universe reveals giants at the birth of the universe
Explore
An Elephant’s Tusk Never Forgets
- By Molly Glick
- June 25, 2025
- Zoology
A simple test can peek into ivory to detect deception

When Is a Species Lost Forever?

Unravel the biggest ideas in science.

Become a more curious you.

Unravel the biggest ideas in science.

Become a more curious you.

Mikael Angelo Francisco

Fuel your wonder. Feed your curiosity. Expand your mind.

Access the entire Nautilus archive,
ad-free on any device.

Ancient Seas Hosted the Ultimate Squid Game

Your Mind Is Part of the Ecosystem

We Didn’t Start the Fire

Rethinking the Big Bang

An Elephant’s Tusk Never Forgets

When Is a Species Lost Forever?

Unravel the biggest ideas in science.

Become a more curious you.

Unravel the biggest ideas in science.

Become a more curious you.

Mikael Angelo Francisco

Fuel your wonder. Feed your curiosity. Expand your mind.

Access the entire Nautilus archive, ad-free on any device.

Ancient Seas Hosted the Ultimate Squid Game

Your Mind Is Part of the Ecosystem

We Didn’t Start the Fire

Rethinking the Big Bang

An Elephant’s Tusk Never Forgets

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