JOURNAL

JOURNAL

*Sources for information & photos are at the bottom of each article.

Alexander Julius Jensen Alexander Julius Jensen

Economies of Illness

From bats living paycheck-to-paycheck to elephant seal billionaires — which species can afford to act sick, which cannot, and why?

Read More

Field Notes

from the Past

Learn about animals through voices of the past.

Learn more
New Species Learn more
🦋 A Golden, Day-loving Moth Named After a Greek Goddess of Night Stygioides hecate, or the Hecate moth, is a new species of diurnal moth whose females are covered in golden scales. 29 May 2026
🪰 Madagascar to Sweden to France: A New Species of Hooktail Dragonfly Paragomphus matroka, the dark hooktail, is known from three specimens: one caught in the wild, one found on the internet, and one unearthed in a museum archive. 29 May 2026
🐟 A Popular Aquarium Goby Turns Out to be Two Species Rhinogobius mengyangensis, a new species of goby previously thought to be the “yellow type” of R. szechuanensis. 28 May 2026
🐭 A Ghost in the Dumbara Mountains Mus dumbara, a new species of spiny mouse and micro-endemic from the Dumbara Mountains of central Sri Lanka. 26 May 2026
🐸 The Nagao Odorous Frog Odorrana nagao, a new species of odorous frog from karst forest in Vietnam. 22 May 2026
🐌 The “Sesame Seed” Sea Slug Thecacera sesama, a new nudibranch species discovered off the coast of Taiwan, measuring less than 3 mm (0.1 in) long — about the size of a single sesame seed. 11 May 2026
🐛 Description Before Extinction — A New Malagasy Millipede Alafanahydesmus lavasoa, a new millipede species from vanishing forest fragments in Madagascar. 8 May 2026
🐝 An Exceptionally Perfect Wasp-Mimic Pseudodelta melas, a new clearwing moth that mimics Africa’s black mud wasp. 8 May 2026

Endangered!

Learn about the species most in danger of extinction.

Learn more