Eurasian brown bear

Lore & Background

The Eurasian brown bear has brown fur ranging from yellowish-brown to dark brown, red-brown, or almost black, with albinism recorded. Its fur can grow up to 10 cm in length. It has a round head, small rounded ears, a wide skull, 42 teeth including predatory teeth, powerful bone structure, and large paws with claws up to 10 cm. Weight varies by habitat and season. In Ancient Rome, these bears were used for fighting in arenas, with the strongest coming from Caledonia and Dalmatia. Historically, the bear was largely carnivorous (80% animal matter), but by the late Middle Ages meat made up 40% of its diet, and today only 10–15%.

Reader's Guide

The Eurasian brown bear once ranged across most of Eurasia but now has a more limited distribution. It is listed as Least Concern globally by the IUCN, though local populations in the European Union are increasingly scarce. The largest population is east of the Ural Mountains in Siberia. Small populations persist in the Pyrenees, Cantabrian Mountains, and Italy. The bear appears in European fairy tales, is the national animal of Finland, and is depicted on the Croatian 5 kuna coin. It is traditionally a symbol of Russian might.

Did You Know?

• The Eurasian brown bear's claws can grow up to 10 cm (3.9 in) in length.
• In Ancient Rome, the strongest fighting bears came from Caledonia and Dalmatia.
• Scandinavia has recorded at least 4–5 fatal bear attacks in Sweden alone since the early 1900s.

Taxonomy and the Long Road to Astur

The Eurasian goshawk's scientific identity has shifted more than once over the centuries. For a long stretch afterward, it sat comfortably within the genus Accipiter alongside other forest hawks. That arrangement collapsed when molecular phylogenetic work revealed that Accipiter was not a natural group but a polyphyletic one, prompting taxonomists to break it apart into monophyletic genera. The Latin components are telling: astur simply means "hawk," while gentilis carries the sense of "noble" or "gentle," a nod to the medieval European tradition in which only members of the aristocracy were permitted to fly goshawks for falconry.

Deep Roots and Distant Cousins

The genus Astur represents a lineage of agile, relatively small forest-dwelling hawks whose evolutionary history may stretch back tens of millions of years, likely evolving in tandem with the explosive diversification of small songbirds that came to dominate the world's woodlands. Within that ancient family tree, the Eurasian goshawk occupies a position that has surprised researchers. Instead, the Eurasian bird showed its strongest genetic affinity with Meyer's goshawk, a species confined to southeast Asia. The puzzling gap between their ranges may be bridged by other Palearctic raptors, such as Bonelli's eagles and short-toed eagles, that maintain isolated tropical island populations and were probably part of the same southwest Pacific radiation that produced Meyer's goshawk. An even older radiation of this group may have taken root in Africa, giving rise to both Henst's goshawk on Madagascar and the black sparrowhawk on the mainland. Beyond the presumed superspecies, the genus Erythrotriorchis has been suggested as a possible Australasian radiation of more basal goshawks, linked by similar body plans to their northern counterparts.

A Spectrum of Size and Plumage

The Eurasian goshawk displays remarkable individual variation in both size and feather coloration, with clinal trends that broadly track Bergmann's rule and Gloger's rule. Today, only seven weakly differentiated subspecies are generally accepted. The nominate race, A. g. gentilis, covers most of the species' European range and extends south into northwestern Africa and east to the Urals, the Caucasus, and Asia Minor. In some populations, the largest females can weigh up to four times more than the smallest males. Average weights peak in central Fennoscandia and dip in Spain. Plumage is typically a dark slaty-brown on the back with a blackish-brown head, a thin supercilium, and a creamy underside heavily marked with dark barring. A rare isabelline morph, found mainly in central and eastern Europe, presents a general beige coloration.

Range, Residency, and the Name Itself

The Eurasian goshawk is a medium-large diurnal raptor belonging to the family Accipitridae, the same family that encompasses eagles, buzzards, and harriers. It inhabits a broad swath of temperate Eurasia, and in nearly all of that range, excluding a small portion of southern Asia, it is the sole species of goshawk present. This singular status means the bird is commonly referred to, both in official nomenclature and in everyday birding language, simply as "the goshawk." The common name itself has deep linguistic roots, tracing back to the Old English gōsheafoc, literally "goose-hawk," a reference to one of its preferred prey items. In terms of movement, the species is primarily resident, holding territory through the year. However, individuals breeding in the colder, more northerly parts of its range do undertake a southward migration for the winter months, moving to milder latitudes.