- "Yellow Flowers" (Savor and Favor)
- 2010 : international year of biodiversity
- Acarina, Acari, Acariformes of Western Europe
- aeoniums & hen and chicks
- African Flowers
- Aizoaceae
- Aloes
- Amaryllidaceae
- An Inordinate Fondness for Beetles
- Animal Taxonomy - Coleoptera
- Animal Taxonomy - Diptera
- Animal Taxonomy - Hymenoptera
- Animal Taxonomy - Mantodea
- Animal Taxonomy - Squamata
- Animal Taxonomy - Araneae
- Animal Taxonomy - Caelifera
- Animal Taxonomy - Cnidaria
- Animal Taxonomy - Hemiptera
- Animal Taxonomy - Lepidoptera
- Animal Taxonomy - Odonata
- Animal Taxonomy - Oedemeridae
- Animal Taxonomy - Orthoptera
- Ants
- Apartment Gardening (Gardening in a Balcony of an Apartment)
- Apiaceae (Umbelliferae)
- Apocynaceae
- Aquarium
- Aquatic insects (and other macroinvertebrates)
- Arachnids
- Arañas & arácnidos
- Aroids
- Arthropoda
- Asilidae (Robberflies)
- ASTERACEAE
- At the nursery!
- Aviculture
- bee
- BeeID
- Begonia (3 per Day)
- Berlin Zoo Tierpark
- Bignoniaceae
- Biodiversity in Flickr
- Birds (Picture Encyclopedia)
- Birds of Taipei Zoo
- Black Animals
- Boraginaceae
- Botanic Garden Berlin
- Botanical Gardens
- botanico y jardines de valencia
- Botany
- Brassicaceae (Cruciferae)
- Bromeliads
- Bryophyllum
- Bug On Flow3r! - a sanctuary
- Bugs Eating Bugs
- Buprestidae - Jewel Beetles
- Butterflies in Asia
- Cacti & Succulent Identification
- Cacti, Succulents and Bulb Plants
- cactus & crasas
- Camouflaged Creatures
- Campanulaceae
- Caterpillars
- Caught in a Moth Trap!
- Cerambycidae - Longhorn Beetles
- Chrysomelidae - Leaf Beetles
- Cichlid World
- Cicindelephilia
- Cockroaches
- COLEOPTERA OF THE WORLD
- Commelinaceae
- Conchiglie marine con nome scientifico
- Conifers
- Coreoidea of the World (Hemiptera: Heteroptera)
- Crabs
- Crassulaceae
- Crassulescent Plants
- CRUSTACEA - crustaceans - Krustentiere - crustacés
- Crypsis
- Cucurbitaceae
- Curculionidae & Cerambycidae of the world
- cycads
- Damselflies
- Desert Flora
- dinosaurs!
- Diptera
- Diptera - Acroceridae
- Diptera - Bombyliidae
- Diptera - Conopidae
- Diptera - Sciomyzidae
- Diptera - Stratiomyidae
- Dragonfly Gallery
- Echeveria
- Echinodermata
- Echinopsis
- Encyclopedia of Life Images
- Endangered Species
- Entomofauna Aragonesa
- Ericaceae
- Ethology
- Euphorbia
- Euphorbiaceae
- Europe's Diptera
- European butterflies
- European Wildlife
- Exotic Pigeons and Doves
- fauna iberica, canaria y balear
- FAUNA MADRILEÑA
- Pyrenean Wildlife
- Faunia | Mundo Animal
- Ferns
- Field Guide to Insects and Spiders
- Field Guide to Trees of the World
- Fish ID
- Flickr Natural History Museum
- Flies
- Flora and Fauna of Madagascar
- Flora con Fauna
- Flora ibérica
- Flora y Fauna de Aragón
- Flora y fauna de Canarias.
- For The Love Of Dragonflies
- Fossils
- Garden Safari
- Geckos!
- Genus Euphorbia
- Hairstreaks, Blues, and Coppers: The Gossamer-wings
- Heteroptera (True Bugs)
- Heteroptera from the Iberian Peninsula
- Hover Fly
- Hoverflies of the world
- Ichneumons
- ID Me
- ID Please
- Insect Identification Help Group 2
- Insect Moults/Mudas de Insectos
- INSECT NESTS
- Insect Photography
- Insects and butterflys
- Insects Heads
- Insects in your hand!
- invasive species
- Iridaceae
- Isopods
- Jardin des Plantes
- Just Skippers
- Kew Gardens Seasons
- La Rochelle
- Large birds of the world
- lepidópteros ibéricos
- Libélulas Ibéricas
- Lichen
- Liliaceae and its relatives
- Lucanidae
- Malvaceae
- Mantis Gallery
- Marine ID
- Marine Life
- mediterranean climate garden
- MicroSex
- Mint Family...Lamiaceae
- Mollusca
- Moncayo
- Monocotyledons
- Moth Mania
- Moths in Asia
- Moths of Taiwan
- Mountain flowers
- Muscheln ~ Shells ~
- museum of natural history
- My Garden
- Myriapoda (Centipedes, Millipedes, Etc.)
- Myrtaceae
- Naturaleza en los Monegros; Aragón, España
- Nature's Eggs
- Neuropterans
- Odonata
- Orthoptera: grasshoppers and allied insects
- Owls, Frogmouths, Potoos & Nightjars
- Paap (Pets and animal portraits)
- Palms (Arecaceae or Palmae) - botanically identified only
- Paradisaeidae: Birds of paradise
- Parcs animaliers et zoos en France
- Parque Nacional de Ordesa y Monte Perdido
- Pea Family / Fabaceae
- Peñiscola, Refugio de Rapaces - Halcones Templarios
- Phasianidae: Grouse, pheasants and partridges
- Pieridae
- Pinned Specimens
- PLANT [directory] 植物
- Plant Camp Taiwan
- Plant collector
- Plant Galls
- Plant Taxonomy
- Poaceae (Gramineae) and allies
- Pompilidae (Hymenoptera)
- praying mantis
- Predation
- Preserved specimens
- Protective Mimicry
- Rare Plants & Flowers
- Rarely seen in a zoo!
- Rhipsalis
- Salticidae
- Shield Bugs and other Miridae
- Sinobug - Chinese Insects and Spiders
- Solanaceae
- Songbirds of the World! The Passerines (Passeres)
- Stapeliads and Asclepiads
- Staphylinidae Worldwide - fossils and living
- Sternorrhyncha - Superfamily: Coccoidea of the World
- Succulent Treasures of the Desert
- Taipei Zoo
- Taiwan
- Taxidermie
- Tenebrionidae - Darkling beetles
- Trilobites
- Tropical and Exotic Flora
- Tropical Fish pictures
- TRUE BUGS
- Urban Wildlife
- Urticaceae (stinging nettle family)
- Valle de Benasque/Ball Benàs/Benasque valley
- Wasps
- Water beetles of the world
- we hate the new flickr
- Wetlands
- What plant is that?
- Wild Bees, Wasps and Ants of Europe (NO Honey Bees PLEASE)
- Wild flowers
- Wildscreen Arkive
- World of Waterfowl
- Zingiberales
- Zoo Aquarium of Madrid
- Zoo Barcelona
- Zoo UK - Zoos of the United Kingdom
- Zoos of the world