Mustela putorius
Linnaeus, 1758 · speciesAt a glance
Sources13 archives
Databases and archives Mustela putorius's data was compiled from.
WikipediaWikimedia Foundation17 languages↗
Animal Diversity WebUniv. of Michigan MZspecies account↗
BioWikiNetmultilingual Wikipediamultilingual↗
GBIFGlobal Biodiversity Information Facility99 377 records↗
ENAEuropean Nucleotide Archive · EMBL-EBI30 eDNA detections↗
BOLD SystemsCentre for Biodiversity Genomics45 specimens↗
Open Tree of LifeOpenTreephylogeny backbone↗
GoaTGenomes on a Tree · Sangergenome & karyotype↗
NCBIUS National Library of Medicinegenome & karyotype↗
Tree of SexTree of Sex Consortiumgenome & karyotype↗
Paleobiology DatabasePBDB consortiumfossil record↗
WikidataWikimedia Foundationstructured facts↗
GLoBIGlobal Biotic Interactionsbiotic interactions↗Every layer below draws on the sources above — open one to explore it, or use ← → to move between tabs.
The European polecat (Mustela putorius), also known as the common polecat, black or forest polecat, is a species of mustelid native to western Eurasia and North Africa. It is of a generally dark brown colour, with a pale underbelly and a dark mask across the face. Occasionally, colour mutations including albinos, leucists, isabellinists, xanthochromists, amelanists and erythrists occur. It has a shorter, more compact body than other Mustela species, a more powerfully built skull and dentition, is less agile, and is well known for having the characteristic ability to secrete a particularly foul-smelling liquid to mark its territory. It is much less territorial than other mustelids, with animals of the same sex frequently sharing home ranges. Like other mustelids, the European polecat is polygamous, with pregnancy occurring after mating, with no induced ovulation. It usually gives birth in early summer to litters consisting of five to 10 kits, which become independent at the age of two to three months. The European polecat feeds on small rodents, birds, amphibians and reptiles. It occasionally cripples its prey by piercing its brain with its teeth and stores it, still living, in its burrow for future consumption. The European polecat originated in Western Europe during the Middle Pleistocene, with its closest living relatives being the steppe polecat, the black-footed ferret and the European mink. With the two former species, it can produce fertile offspring, though hybrids between it and the latter species tend to be sterile, and are distinguished from their parent species by their larger size and more valuable pelts. The European polecat is the sole ancestor of the ferret, which was domesticated more than 2,000 years ago for the purpose of hunting vermin. The species has otherwise been historically viewed negatively by humans. In Britain especially, the polecat was persecuted by gamekeepers, and became synonymous with promiscuity in early English literature. During modern times, the polecat is still scantly represented in popular culture when compared to other rare British mammals, and misunderstandings of its behaviour still persist in some rural areas. Since 2008, it has been classified as Least Concern on the IUCN Red List due to its wide range and large numbers.
No narrative description available for this taxon yet.
Size & morphology4
Life cycle & reproduction9
Diet & foraging6
Habitat & environment2
Physiology & chemistry2
Other traits5
A DNA barcode is a short, standardised stretch of genes that works like a fingerprint — enough to tell one species from another. Below is the molecular trace Mustela putorius has left across the world's sequence archives.
At a glance
★ the standard DNA barcode for this group — the short region actually read to tell this species apart. The rest are extra genes sequenced along the way.
Besides the big genome in the nucleus, cells carry a small, circular loop of DNA inside the cell's energy factories — the mitochondria. It is inherited almost only from the mother and is a leftover from ancient bacteria that moved into the cell. The mitochondrial markers above (ND*, COX, CYTB…) are read from exactly this loop. Outer ring = one strand, inner ring = the other.
The complete instruction manual Mustela putorius carries — its genome. We read it from three angles — how big it is, how the DNA is packed into chromosomes, and how completely it has been sequenced — and explain how to read each value as you go.
Genome sizehow big the whole instruction manual is
Measured in base pairs (bp) — the individual letters of DNA (human ≈ 3.2 Gb, a bacterium a few million). The chart places this genome on a logarithmic scale — each step to the right is ten times bigger — among reference organisms. Across species a bigger genome loosely tracks with larger cells, slower growth and lower-energy lifestyles (powered flight favours small genomes) — yet it does not imply more genes or a more advanced organism (the long-standing C-value paradox).
Chromosomes & ploidyhow the DNA is packaged
2n is the full chromosome count in a normal body cell; n is a gamete (egg or sperm), which carries half. Ploidy is how many complete chromosome sets each cell holds — 2× (diploid) is typical for animals, while higher levels (polyploidy) are common in plants. Click any value below to see the underlying records and sources.
Sequencing statusassembly quality — how far to trust these numbers
Assembly level tells you how finished the sequence is — from fragmented contigs, through scaffolds, up to a full chromosome-level assembly. BUSCO % estimates completeness: the share of genes expected to be present that were actually found. These describe the data quality, not the organism.
How far back this lineage goes — and how we know. Everything here is measured in Ma, short for “mega-annum”: millions of years ago. The chart reads left to right like a calendar of the Earth, from the deep past on the left to today at the right edgetop to bottom like a core drilled through the Earth, from the deep past at the top down to today at the bottom.
At a glance
When this lineage existed
How to read this: the coloured strip along the bottomdown the left is the geological calendar — the standard epochs (Pliocene, Pleistocene…) every museum uses, shown so you can see which chapter of Earth's history this lineage lived in. This lineage is a young one, so the strip is zoomed in to epochs — the finer subdivisions inside a period. The solid bar is the fossil range: the span between the oldest and the youngest fossil that palaeontologists have assigned to Mustela putorius. Above itBeside it, each dot is one dated fossil find — few enough to count, so they are drawn individually rather than as a graph. The orange marker is the DNA clock: DNA accumulates mutations at a roughly steady rate, so comparing this species' DNA with its relatives estimates when the lineage split off — independently of any fossil.
The two clocks disagree here. The fossil record reaches back to 5.33 Ma, but the molecular clock dates the lineage to only 0.55 Ma — about 4.78 Myr younger. A fossil cannot be older than the lineage it belongs to, so one of the two is off: either the fossil is assigned to the wrong species, or the clock is running fast.
How it livedPBDB
Record type99 391 records
Origin
Range
Wildobservation + sensor
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
Museum / Voucheredphysical evidence
Backed by a physical specimen — a herbarium sheet, sample or voucher held in a collection. “Vouchered” means supported by material evidence, not just an observation.
Wildobservation + sensor
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
Holding institutions45 of 92 geolocated
Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.
| Institution | Specimens |
|---|---|
| Brussels, BE | 646 |
| RBINS-Scientific Heritagelocation not on record | 479 |
| Copenhagen, DK | 479 |
| MRI-PASlocation not on record | 216 |
| Bonn, DE | 168 |
| Helsinki, FI | 140 |
| Stockholm, SE | 122 |
| Zoological Museum, Moscow Lomonosov State Universitylocation not on record | 111 |
| Kuopio, FI | 106 |
| Paro, BT | 92 |
| Natural History Museum, Aarhus Denmarklocation not on record | 82 |
| Natural History Museum Rotterdamlocation not on record | 76 |
| Dhaka, BD | 76 |
| Bern, CH | 59 |
| Fribourg, CH | 56 |
| UNIBUClocation not on record | 51 |
| Museum Ludovicae Ulricae, Zoology Institute of the University of Uppsalalocation not on record | 42 |
| MZLUlocation not on record | 38 |
| Geneva, CH | 31 |
| Naturéum — Muséum cantonal des sciences naturelles, Lausanne, Département Zoologielocation not on record | 30 |
| Oulu, FI | 27 |
| Musee d'Histoire Naturallelocation not on record | 25 |
| Salzburg, AT | 23 |
| Auckland, NZ | 22 |
| NHMOlocation not on record | 22 |
| Muzeum Górnośląskie w Bytomiulocation not on record | 21 |
| Naturmuseum Solothurnlocation not on record | 21 |
| Museu Nacional de História Natural e da Ciêncialocation not on record | 21 |
| South Kensington, GB | 20 |
| Museum Zofingenlocation not on record | 16 |
| CASlocation not on record | 14 |
| Barcelona, ES | 12 |
| Sydney, AU | 12 |
| München, DE | 10 |
| Naturmuseum St. Gallenlocation not on record | 10 |
| Washington State University, Charles R. Conner Museumlocation not on record | 9 |
| Albany, US | 9 |
| Cambridge, US | 9 |
| Tilburg, NL | 9 |
| Provincia di Livornolocation not on record | 8 |
| Kristiansand, NO | 7 |
| Frauenfeld, CH | 7 |
| Western Australian Museumlocation not on record | 7 |
| Instytut Ochrony Przyrody Polskiej Akademii Nauklocation not on record | 7 |
| Forssa, FI | 6 |
| Universität Zürich, Naturhistorisches Museumlocation not on record | 6 |
| Bourges, FR | 6 |
| Seattle, US | 6 |
| Museo civico di Storia naturale Giacomo Doria di Genova | Giacomo Doria Natural History Museum in Genoalocation not on record | 5 |
| Wuzhou, CN | 5 |
| Natick, US | 5 |
| Winterthur, CH | 5 |
| Provo, US | 5 |
| Liverpool, GB | 4 |
| Toronto, CA | 4 |
| Ann Arbor, US | 4 |
| CBDClocation not on record | 4 |
| Edmonton, CA | 4 |
| NTNU-VMlocation not on record | 4 |
| Museums Victorialocation not on record | 4 |
| MUZOO - Musée d'histoire naturelle de La Chaux-de-Fondslocation not on record | 4 |
| North Carolina Museum of Natural Scienceslocation not on record | 3 |
| University of Wyoming Museum of Vertebrateslocation not on record | 3 |
| Australian National Wildlife Collectionlocation not on record | 3 |
| SGAV-and-NHMDlocation not on record | 3 |
| Rovaniemi, FI | 3 |
| Società romana di Scienze naturalilocation not on record | 3 |
| Ugentlocation not on record | 3 |
| Los Angeles, US | 3 |
| Universidad Católica de Manizaleslocation not on record | 2 |
| IMEDEAlocation not on record | 2 |
| Berkeley, US | 2 |
| Sam Noble Oklahoma Museum of Natural Historylocation not on record | 2 |
| John May Museum of Natural Historylocation not on record | 2 |
| Ohio State University - Mammal Division, Columbus, OH (OSUM)location not on record | 2 |
| Gothenburg, SE | 2 |
| EEZAlocation not on record | 2 |
| Mongolian Museum of Natural Historylocation not on record | 2 |
| DOI/NPS, Salem Maritime National Historic Sitelocation not on record | 2 |
| Denver, US | 1 |
| Museum and Art Gallery of the Northern Territorylocation not on record | 1 |
| Philip L. Wright Zoological Museumlocation not on record | 1 |
| Banyoles, ES | 1 |
| Iowa City, US | 1 |
| Porvoo, FI | 1 |
| nzflocation not on record | 1 |
| EL PASO, US | 1 |
| Agder Museum of Natural Historylocation not on record | 1 |
| Tacoma, US | 1 |
| University of Wisconsin, Zoological Museumlocation not on record | 1 |
| New Haven, US | 1 |
| ASNHClocation not on record | 1 |
Where the DNA of Mustela putorius was picked up in samples of water, soil or air — nobody saw the organism, only its DNA left behind. A trace is a clue that the species was near, not a confirmed sighting.
Signal
Where its DNA was found
How strong is each trace?
Modelled climatemodelled
How to read this: each dot is one detection of this species' DNA in an environmental sample. The confidence meter weighs how many independent studies and places back up the signal — one detection in one study is a hint; many across several studies is solid. Records dated before 2008 (when eDNA methods began) are treated as likely mislabeled and left off the map.