Rana temporaria

Rana temporaria
Name	Common frog
Status	LC
Status system	IUCN3.1
Taxon	Rana temporaria
Authority	(Linnaeus, 1758)

Rana temporaria is a widespread Palearctic frog native to much of Europe and parts of Asia, notable for its adaptability to diverse climates from Arctic-alpine zones to temperate lowlands. The species has been the subject of research and conservation efforts connected with institutions such as the Natural History Museum, London, Zoological Society of London, and the IUCN. Prominent naturalists and taxonomists including Carl Linnaeus, Charles Darwin, and later herpetologists at the British Herpetological Society have influenced understanding of its classification and ecology.

Taxonomy and Nomenclature

Originally described by Carl Linnaeus in 1758, the species sits within the family Ranidae and has been treated in revisions influenced by comparative work from figures associated with the Linnaean Society of London and the Royal Society. Taxonomic treatments have referenced collections held by the Natural History Museum, London and the Smithsonian Institution, and have been discussed in symposia organized by the Society for the Study of Amphibians and Reptiles and journals linked to the Royal Society. Nomenclatural decisions have followed codes promulgated by bodies like the International Commission on Zoological Nomenclature and have been incorporated into databases used by the IUCN and the Convention on Biological Diversity.

Description and Identification

Adults are typically 6–9 cm in length with a rounded snout, short limbs, and moderately webbed hind feet; morphological descriptions have been compared across collections at the Natural History Museum, London and the Muséum national d'Histoire naturelle. Coloration varies from olive-brown to gray and sometimes reddish, with a dorsolateral fold and occasional dark patches—traits used in field guides produced by the British Trust for Ornithology and the Royal Society for the Protection of Birds for citizen science surveys. Identification keys developed in reports by the European Commission and research groups at universities such as University of Cambridge, University of Oxford, and University College London assist in distinguishing this species from similar taxa catalogued in the Zoological Record.

Distribution and Habitat

The species occurs across continental Europe, from the Iberian Peninsula and British Isles eastward to the Ural Mountains and parts of western Siberia, with populations documented in archived surveys by organizations like the European Environment Agency and regional museums such as the Naturhistorisches Museum Wien. Habitats include temperate woodlands, meadows, montane bogs, and urban parks; range edges meet protected areas established under directives from the European Union and sites recognized by the Ramsar Convention and the Natura 2000 network. Populations in alpine zones overlap with research carried out by institutes including the Alpine Research Center and university teams from University of Zurich and University of Oslo.

Behavior and Ecology

Rana temporaria shows seasonal activity patterns documented in longitudinal studies by groups at the University of Helsinki and the University of Copenhagen, with overwintering strategies that have been compared to other Palearctic amphibians studied by the World Wildlife Fund. Diet consists mainly of invertebrates and is described in faunal surveys coordinated with institutions like the Natural History Museum, London and the Zoological Society of London. Predation and parasitism involve taxa noted in ecological literature connected to the Royal Society and collaborations involving the Max Planck Society; ecological interactions have been incorporated into conservation planning by organizations such as the IUCN and the Convention on Migratory Species.

Reproduction and Life Cycle

Breeding occurs in spring in ponds, ditches, and slow-moving waters, timed as documented in phenology studies by the Met Office and researchers at University of Exeter and Imperial College London. Clutches are laid as strings of eggs, development proceeds through larval tadpole stages, and metamorphosis completes in weeks to months depending on climate—patterns reported in longitudinal datasets maintained by the Freshwater Biological Association and university amphibian labs at University of Leeds and University of Manchester. Life-history traits have been the focus of comparative analyses presented at meetings of the European Herpetological Society and in syntheses published by the British Ecological Society.

Conservation and Threats

Although currently assessed as Least Concern by the IUCN, populations face threats from habitat loss linked to policies and infrastructure projects overseen by bodies such as the European Commission and national agencies like the Environment Agency (England), pollution issues addressed by the European Chemicals Agency, and emerging diseases monitored by networks coordinated by the World Health Organization and the OIE (World Organisation for Animal Health). Conservation actions involve habitat protection through the Natura 2000 network, wetland restoration funded by programs of the European Union and nongovernmental organizations like the RSPB and WWF, and citizen science monitoring coordinated by groups including the Amphibian and Reptile Conservation Trust and the British Trust for Ornithology.

Category:Ranidae Category:Amphibians of Europe