Mark R

Rangers and biologist look for endangered fairy shrimp in a vernal pool

Earth Science Life Science

Vernal Pools: Ephemeral Ecologies

Open Illustrations

Open Illustration: Chrysochroa fulminans Line Drawings

Open Illustrations

Open Illustration: House Pseudoscorpion Anatomy (Chelifer cancroides)

Two great naturalist, natural history, and ornithology podcasts for 2021

Two Noteworthy Naturalist Podcasts

A female kestrel guards two of her young

Wildlife Streams for Spring and Summer 2021

Dendrochernes cyrneus attached to the antenna of Rhyssa persuasoria from Austria

Hitchhiking Pseudoscorpions (Phoresy)

Dendrobates tinctorius morph in Brazil

Exploration Life Science

Enrico Bernard’s Dendrobates tinctorius “Tumucumaque” Poison Frog

Ground sloths and an American mastodon can be seen in this illustration of megafauna

Some Plants Are Still Making Fleshy Fruit to Attract Extinct Megafauna

Bright orange male and drab female guppies of the species Poecilia reticulata

Why Wild Male Guppies are Orange

Life Science Noteworthy

Chip Clark’s Iconic National Museum of Natural History Photos