Nature
Articles about the natural world and its phenomena.
Cloud forest
Cloud forest (montane cloud forest)
Coral (color)
Cork (material)
Corpus cavernosum penis
Coşna
Coşna (commune in Suceava County, Romania)
Cumulonimbus cloud
Cumulus cloud
Danaus (genus)
Darkness
Dartmoor
Dartmoor — moorland, tors, wildlife and human history
Deimatic defence
Deimatic defence: startle displays and bluffing in prey species
Derecho
Doñana National Park
Driftwood
Driftwood: formation, ecology, human uses and coastal impacts
Drone
Drop
El Cóndor
El Cóndor — Andes mountain in Argentina
Eomaia
European windstorm
Eye-spot (mimicry)
Eyespot (ocellus): form, function and examples of animal mimicry
Eyebrow
Feral
Feral organisms: origins, ecology, and impacts
Fibre
Firewood
Firewood: Uses, Types, Seasoning, Storage, Safety, and Sustainability
Fishery
Fishery (fisheries)
Fishing net
Flooding of the Nile
Flooding of the Nile: causes, history, and modern consequences
Foraging
Foraging: Finding Food in the Wild — Ecology, History, and Practice
Foramen magnum
Foramen magnum: anatomy, function, and significance
Fracture
Fracture (breakage in materials, rocks, and bones)
Freckle
Funnel cloud
Geysir
Geysir: Iceland's iconic geothermal fountain
Gigantism
Glaucous
Glaucous: bluish‑green/grey colour and botanical term
Gleba
Gleba: the spore-bearing inner tissue of some fungi
Gonad
Gonad: the primary reproductive organ (ovary and testis)
Goniatite
Granule
Granule (small particle)
Grassland
Grassland: characteristics, distribution, types and ecological importance
Grasslands are ecosystems dominated by grasses with few trees; they include prairies, steppes and savannas, occur on most continents, support grazing and biodiversity, and provide
Grove (nature)
Gryphaea
Gryphaea — extinct ‘devil's toenail’ oysters of the Mesozoic and Paleogene
Guano
Halomonadaceae
Halomonadaceae: salt‑tolerant bacteria of marine and saline environments
Handicap principle
Handicap principle: costly signals in animal communication and its implications
Harpoon
Helmholtz resonance
Hemerophile
Hemerophile: species that benefit from human-altered environments