Conservation groups alarmed at marine mammals' deaths in Spain

8 fierce animals show just how metal nature is

Nature. It’s beautiful. It’s awe-inspiring. And it’s really scary. The new book Nature is Metal: It’s A Life-Eats-Life World features full-color photographs and vivid descriptions of the physical features, survival adaptations, and hunting skills innate to 75 of nature’s most metal plants, animals, and natural phenomena. Browse through some of these raw and real images in the gallery below. (Click to expand images to full screen.) A golden eagle (Aquila chrysaetos) eating the remains of a bison. They are hypercarnivores whose diets are at least 70 percent meat. Image: Natasha Mace. Stoats (Mustela erminea) may look pretty cute, but these short-tailed weasels are known for opportunistic and frenzied killing. Image: Grayson Smith/UWSFWS. A giant otter (Pteronura brasiliensis) holds a swamp eel in its powerful grip. Image: Parks Marilla. Polar bears (Ursus maritimus) have been known to eat cubs when food is extremely scarce. Image: Jacob Zoller Jake Zoller Leopard seals (Hydrurga leptonyx) may look like cats, but they hunt their prey like sharks. They are at the top of the food chain in the seas around Antarctica. Images: Kristian Gillies. A great blue heron (Ardea herodias) eating a banded water snake. Image: Marcos Rodriguez. Stygian owls (Asio stygius) are found across Latin America and the Caribbean and called coruja-diabo or “devil’s owl” in Brazil. Image: Eigi Iwasaki. Red-tailed hawks (Buteo jamaicensis) help keep small rodent populations in check. Image: Alexander Collyer. Excerpted from Nature Is Metal: It’s a Life-Eats-Life World by Ettore R. Paolucci and Hans Aschim. Copyright © 2026. Available from Workman, an imprint of Hachette Book Group, Inc. wherever books are sold on October 13. About the Author Ettore R. Paolucci (Rick) is the founder of Nature Is Metal,