Flying squirrel

About: Flying squirrel is a research topic. Over the lifetime, 360 publications have been published within this topic receiving 5689 citations. The topic is also known as: flying squirrel.

Distribution of the Siberian flying squirrel (Pteromys volans L.) in taiga isthmuses between Baltic and White Sea regions

Abstract: We focused our attention on three narrow isthmuses between the White and the Baltic Seas, which form important connections for the elements of northern taiga ecosystems, such as the Siberian flying squirrel. The method that we employed is based on the search of flying squirrel’s excrements on randomly selected 9 ha plots (more than 11700 plots studied in Russia and in Finland). Relative abundances of the flying squirrel in Russian Karelia and the Karelian Isthmus seem to be slightly higher than in Finland. The border of the flying squirrel’s range in the North-West could be delineated from the national park Kalevalski, across the Segezha region to the southern part of the White Sea, and further to the east. We suppose that the connection between flying squirrel populations of Scandinavia and Russia is mainly implemented through a narrow ‘middle-taiga corridor’, i.e. the isthmus between Ladoga and Onega Lakes, and only partly by the isthmus between Lake Onega and the White Sea.

Instinct and Memory Exhibited by the Flying Squirrel in Confinement, with a Thought on the Origin of Wings in Bats

Abstract: I. Vernonieoe: as in AsteroidePe. II. Eupatoriexe: do. III. Asteroidese. Duplex hairs, usually bifurcate, and often unequal, acute at tips. Hairs sometimes few or obsolete: sometimes as in Inuloidese. No elaters. Iv. Inuloidece. Duplex hairs, usually obtuse and equal. No elaters. v. Helenioidexe: as in Asteroideee. Crystalloids in endocarp. vi. Anthemidea. Achenes usually glabrous; but having pericarp cells with spiral filaments. (Glands in Achillea within pericarp cells.), vii. Senecionideae. Duplex hairs, having divisions equal, with elaters or filaments, which escape when moistened. viii. Calenduleoe, probably as in Senecionideee (with multicellular hairs interposed in some). Ix. Arctotidee, as in Asteroideee. x. Cynaroide, . Some as in Asteroidee (Carlina, Xerant/zemim). Some as in Cichoriaceoe (C'icus, &dic.). A-rctium, Centauerea, Ec/zizops, &c., have simple hairs on achene like those of perianth. xi, Mutisiea, as in Asteroidex.

Systematics of flying squirrels

Abstract: Systematics, distribution, and habitat of Glaucomys volans in Mexico and Central America are assessed. Four subspecies are recognized, one of which is here described, and three others are placed in synonomy. Glaucomys v. oaxacensis of central Oaxaca differs markedly from G. v. goldmani of adjacent Chi- apas. The presence of Glaucomys volans in Chihuahua is regarded as unverified. Specimens reputedly from there, and referred to G. v. madrensis, are much like those from Oaxaca. Glaucomys volans occurs primarily in oak or pine-oak habitat; this habitat in Mexico, Guatemala, and Honduras is usually available above 800 m, whereas comparable habitat in the United States is primarily below 800 m. The southern flying squirrel, Glaucomys volans (Linnaeus), has a disjunct distribution, the primary range of which is throughout the eastern third of the United States wherever deciduous or mixed de- ciduous-pine forests are present. A poorly known, isolated group of this species also occurs in the mountainous regions of Mexico, Guate- mala, and Honduras. This study incorporates new data and summar- izes information on the morphology, distribution, and ecology of this nocturnal, arboreal species in Mexico and northern Central America. The following chronological account outlines the taxonomic history of the species in this area. The species was first recorded south of the United States by Tomes (1862), who listed a skin only from Duenas, Guatemala. The species was later recorded from Mexico when Nelson (1904) described Sciu- ropterus volans goldmctni (= Glaucomys volans goldmani) on the basis of two specimens from near Teopisca, Chiapas. Howell (1918), in revising the American flying squirrels, did not record additional speci- mens from Mexico or Guatemala. Goldman (1936) described two ad- ditional subspecies from Mexico-G. v. herreranus, probably from the mountains of Veracruz, and G. v. madrensis, reportedly from the Sierra Madre Occidental of Chihuahua. Goodwin (1936) named G. v.