Horsfield’s Flying Gecko or Horsfield’s Parachute Gecko, Gekko horsfieldii (GRAY, 1827) of Sarawak / Borneo around 1160m ASL. Gekko horsfeldii was long classified as Ptychozoon horsfeldii (Ptychozoon (= “folded animal”)). They are characterized by their gliding ability. Flying geckos live…
Low’s pitcher-plant, Nepenthes lowii, of north Sarawak / Borneo around 2100m ASL Upper pitchers of Nepenthes lowii, which is a carnivorous plant from the genus pitcher plants (Nepenthes). It was first described around 1859 by botanist Joseph Dalton Hooker. The…
Northwest Bornean orang-utan, Pongo pygmaeus pygmaeus (Linnaeus, 1760), is one of the three sup-species of Pongo pygmaeus in Borneo. When you think of Borneo’s wildlife, the orang utan will come to your mind almost immediately. I’ve seen these forest people,…
Sarawak Keelback, Hebius sarawacensis (Günther, 1872) – of Sarawak / Borneo – 2023m ASL This Hebius sarawacensis is nothing special at first, but where I found it it is. The second edition of “Snakes of Borneo” gives the maximum altitudinal…
Murud dwarf toad, Pelophryne murudensis Das, 2008 of Sarawak / Borneo, 2105m ASL related posts:
Murud black slender toad or widow slender toad, Ansonia vidua, Hertwig, Min, Haas & Das, 2014 – 2130m ASL. The specific name vidua is Latin for “widow” and refers to the uniform brownish-black colouration of this species, much like what…
Die Rückreise während der SARS CoV2 Pandemie. Ein Virus aus China hat das alltägliche Leben weltweit lahmgelegt, auch Borneo blieb davon nicht verschont. Dieser Blogeintrag unterscheidet sich maßgeblich von allen anderen „Abenteuern“ die ich bisher schriftlich veröffentlicht habe. Das Reisen…
Wilden Orang Utans auf der Spur. Es war im Dezember 2019, als ich die Chance erhalten sollte, ein Regenwaldreservat zu besuchen. Dieses etwa 256km² große Gebiet an der Grenze zu Kalimantan, dem indonesischen Teil Borneos, ist zu 98% von Primärwald…
Eine Expedition zu den abgelegenen Turmkarst-Gebieten in Zentralborneo. Bei der folgenden wissenschaftlichen Expedition muss ich ein bisschen vorweg greifen, denn den Kontakt zum Besitzer dieser Hütte erhielt ich nur, weil ich vor zwei Jahren eine Expedition in ein ganz anderes…
Ein Hochplateau in Zentralborneo – Sarawak Eine wissenschaftliche Expedition zu einem Hochplateau in Zentralborneo erwies sich schwieriger als gedacht. Schon die Straßen dorthin zeigten meiner Gruppe und mir, dass es in den nächsten Tagen nicht einfacher werden würde. Viele Straßen,…
Flora in einem kleinen Nationalpark in Sarawak. Lianen und andere Kletterpflanzen sind sehr wichtige ökologische und strukturelle Bestandteile eines guten Waldes und es lohnt sich immer, ein Foto von ihnen zu machen. Lianen stützen ihren eigenen Körper nicht, sondern verwenden…
Borneo besitzt riesige Höhlensysteme, zu nennen sind hier vor allem die gigantischen Höhlen im Mulu Nationalpark. Aber auch in anderen Teilen von Sarawak lassen sich Höhlen entdecken, diese sind weitaus weniger bis gar nicht touristisch. Einige dieser Höhlen kennen oft…
Murud dwarf toad, Pelophryne murudensis Das, 2008 of Sarawak / Borneo, 2105m ASL related posts:
Murud black slender toad or widow slender toad, Ansonia vidua, Hertwig, Min, Haas & Das, 2014 – 2130m ASL. The specific name vidua is Latin for “widow” and refers to the uniform brownish-black colouration of this species, much like what…
Balu flying frog – Rhacophorus baluensis Inger, 1954 of Gunung Murud (Sarawak, Borneo) around 2200m ASL Rhacophorus baluensis inhabits mainly montane rainforest in northern Borneo. The males are often found calling at water-filled, wild boar wallows. This species is a…
Boulenger’s Asian tree toad Rentapia hosii (Boulenger, 1892) of central Sarawak / Borneo Rentapia hosii are nocturnal and feed on insects, especially ants. They live on land outside the breeding season, usually on trees deep in the rainforest, along small…
White-eared Tree Frog – Feihyla kajau (Dring, 1984) related posts:
A female Kerangas Bush Frog Philautus kerangae Dring, 1987, of south Sarawak / Borneo around 1100m ASL. related posts:
Horsfield’s Flying Gecko or Horsfield’s Parachute Gecko, Gekko horsfieldii (GRAY, 1827) of Sarawak / Borneo around 1160m ASL. Gekko horsfeldii was long classified as Ptychozoon horsfeldii (Ptychozoon (= “folded animal”)). They are characterized by their gliding ability. Flying geckos live…
Sarawak Keelback, Hebius sarawacensis (Günther, 1872) – of Sarawak / Borneo – 2023m ASL This Hebius sarawacensis is nothing special at first, but where I found it it is. The second edition of “Snakes of Borneo” gives the maximum altitudinal…
Inger’s bow-fingered gecko, Cyrtodactylus pubisulcus Inger, 1958 of south Sarawak / Borneo Cyrtodactylus pubisulcus is endemic to Borneo and relatively widespread from lowlands to over 1200m above sea level. related posts:
Smooth Slug Snake, Asthenodipsas laevis (Boie, 1827) – of south Sarawak / Borneo This colormorph of Asthenodipsas laevis seems to be exclusive or much more common in Sarawak (Kuching Division) than in other parts of Borneo. related posts:
Juvenile Peters’ Forest Dragon or Doria’s Anglehead Lizard, Gonocephalus doriae W. Peters, 1871, of south Sarawak / Borneo Gonocephalus doriae is named for Marquis Giacomo Doria (1840–1913), an Italian naturalist, botanist, herpetologist and politician, founder of the Museo Civico di…
Common mock viper, Psammodynastes pulverulentus (F. Boie, 1827) – of south Sarawak / Borneo around 1000m ASL. related posts:
Systella platyptera Haan, 1842 of south Sarawak / Borneo A great example of camouflaged insects is Systella platyptera an Asian species of grasshoppers in the family Trigonopterygidae. Three species of Systella are found in Sarawak / Borneo: Systella sarawakensis Willemse,…
Stick insect, Orthostheneboea exotica (Brunner von Wattenwyl, 1907) of south Sarawak / Borneo around 1100m ASL. Junior synonym: Pericentrus nudipes Redtenbacher, 1908 related posts:
Iridescent bark mantis Metallyticus splendidus Westwood, 1835 of south Sarawak / Borneo Mostly M. splendidus is found on dead trees, here it feeds mainly on cockroaches but also ants, termites and beetles are part of its diet. The movement of…
Leaf katydid in situ – Ancyclecha fenestrata (Fabricius, 1793) of south Sarawak / Borneo – 1200m ASL related posts:
A sleeping undetermined bee of the Genus Amegilla Friese, 1897, Subgenus: Glossamegilla – from south-Sarawak / Borneo – 640m ASL Amegilla is a genus of the Apidae family within bees. Amegilla includes more than 260 species and is distributed in…
Slug moth caterpillar of the Limacodidae family of south-Sarawak / Borneo – around 150m ASL. related posts:
Birupes simoroxigorum (Theraphosidae), of south Sarawak, Borneo. I haven’t seen this Birupes simoroxigorum in a while. But since Chien, Pearl and I discovered and first photographed this species we have been able to record this beautiful blue tarantula at more…
Giant orange Huntsman Spider – Heteropoda sp. of south Sarawak. This Heteropoda sp. is quite widespread in Borneo’s lowland rainforests and is a typical inhabitant of deciduous litter, it is very rare to find this species on trees. As you…
Undetermined spider, probably from the genus Poltys – Poltys cf. illepidus? C. L. Koch, 1843, from central-Sarawak / Borneo Polty’s spiders weave a large web, in case of danger they immediately flee to an anchor point of the web and…
Theraphosidae (Tarantulas) Selenocosmia spec. (Phlogiellus spec. ?) Ulu Ai from Borneo. In the forests of Borneo there are a large number of spider species, many of which are very difficult to identify while others are still not taxonomically classified. So…
Fishing spider Nilus albocinctus (Doleschall, 1859) of south Sarawak / Borneo (synonym Thalassius albocinctus) The Fishing Spider uses the surface tension of the water and waits on it for prey. Sometimes one can also observe an “active hunting”, here before…
Long horned orb weaver – Macracantha arcuata (Fabricius, 1793) – Syn.: Gasteracantha arcuata Probably no other spider than Macracantha arcuata has such long outgrowths on the abdomen. It is hypothesized that this peculiar shape confuses the bats and as a…
Lars’s vampire crab, Geosesarma larsi Ng & Grinang, 2018 – of south Sarawak around 715m ASL. Since I last visited the habitat of G. larsi in 2017, I have now made my way back to the habitat over five years…
Vampire crab, Geosesarma gracillimum (De Man, 1902) – of central Sarawak, 30m ASL related posts:
Arachnothelphusa sp. “Baram” of Baram-Area, Sarawak/ Borneo related posts:
New species of the Macrobrachium genus, Macrobrachium spec. – of central Sarawak, 120m ASL related posts:
Probably an new species of Vampire crab, Geosesarma spec. – of central Sarawak, 187m ASL related posts:
Lars’s vampire crab, Geosesarma larsi Ng & Grinang, 2018 – of south Sarawak A new species of highland vampire crab (Crustacea: Brachyura: Sesarmidae: Geosesarma) from Sarawak Abstract: A new species of semiterrestrial highland vampire crab of the family Sesarmidae, Geosesarma…
Leptopoma vitreum, Leptopoma sericatum or related species of the family Cyclophoridae – Sarawak/Borneo All Leptopoma snails have gills and an operculum. related posts:
Stomacosmethis hosei (Godwin-Austen, 1889) of south-Sarawak Borneo. The specimen in the photo has a shell length of 5mm. These small snails appear to be adapted primarily to Limestone Hills. related posts:
Plectostoma everetti (E. A. Smith, 1893) of South-Sarawak Borneo. The specimen in the photo has a shell length of 1.5mm. Plectostoma everetti within the Plectostoma genus of air-breathing land snails in the family Diplommatinidae which is a family of small…
Ariophantid Snail, Vitrinula glutinosa (Metcalfe, 1852) of Central-Sarawak / Borneo Vitrinula glutinosa was described as Helix glutinosa in 1852 by William Metcalfe, who had received the snail shells in November 1850 from the British geologist William John Hamilton. Clearly visible…
Amphidromus adamsi pictus (Fulton, 1896) or Amphidromus pictus concinnus Fulton, 1896 (?) from West-Sarawak Borneo. related posts:
Brooke’s Bertia snail Bertia brookei (Adams & Reeve, 1848), from central Sarawak, 500m ASL related posts:
Low’s pitcher-plant, Nepenthes lowii, of north Sarawak / Borneo around 2100m ASL Upper pitchers of Nepenthes lowii, which is a carnivorous plant from the genus pitcher plants (Nepenthes). It was first described around 1859 by botanist Joseph Dalton Hooker. The…
Amorphophallus pendulus Bogn. & Mayo – in situ – south Sarawak / Borneo. related posts:
Begonia acidulenta S.Julia & Kiew – in situ – central Sarawak / Borneo. related posts:
Pinanga tenella Scheff. – in situ – central Sarawak / Borneo. Pinanga tenella is a rheophyte species, it grows mainly on medium-sized rivers with strong currents. Compared to other Pinanga species it has very narrow leaves. These allow it to…
undescribed Begonia – Begonia spec. in situ – central Sarawak / Borneo. related posts:
The Upas tree, Antiaris toxicaria Lesch. (Moraceae) of central Borneo Of all Borneo’s indigenous tribes, the Penan and Punan of Sarawak and Kalimantan remain most connected to traditional forest living. Some of the Penan and Punan still hunt with their…
Yaoshania pachychilus (Chen, 1980) related posts:
Corydoras hastatus Eigenmann & Eigenmann, 1888 related posts:
Spotted metynnis – Metynnis maculatus (Kner, 1858) related posts:
Dwarf Wood Scorpion Liocheles australasiae (Fabricius, 1775), of central Sarawak Borneo, under UV-light. Most scorpions glow a blue-green color when illuminated by ultraviolet light with a wavelength of around 380nm. related posts:
Whip-Scorpion, Thelyphonus borneensis Kraepelin, 1897 – of Sarawak / Borneo Have a look at this in situ shot of Thelyphonus borneensis, whip scorpions or vinegaroons are members of the Uropygi order and the foreplay is not that easy like in the…
Bark Scorpion Lychas sp., from east Sarawak Borneo probably Spelaeolychas hosei (Pocock, 1891) related posts:
Asian Forest Scorpion Heterometrus spinifer (Ehrenberg, 1828), from south Sarawak/Borneo The biggest scorpion in Borneo / Sarawak and can reach a length of about 100–135mm. Location: Kuching / Sarawak / Borneo related posts:
Bark Scorpion Lychas sp. or Spelaeolychas sp.(?) from south Sarawak Borneo related posts:
Dwarf Wood Scorpion Liocheles australasiae (Fabricius, 1775), from south Sarawak Borneo related posts:
Northwest Bornean orang-utan, Pongo pygmaeus pygmaeus (Linnaeus, 1760), is one of the three sup-species of Pongo pygmaeus in Borneo. When you think of Borneo’s wildlife, the orang utan will come to your mind almost immediately. I’ve seen these forest people,…
The Philippine slow loris, Nycticebus menagensis (Lydekker, 1893) of south Sarawak, around 60m ASL. According to Munds & Nekaris et al (2013), there are four different species of Slow Loris in Borneo. The species in the photo is Nycticebus menagensis (Lydekker, 1893),…
The endemic Thomas’s flying squirrel, Aeromys thomasi (Hose, 1900) of south Sarawak, around 1000m ASL. Females of the Thomas’s flying squirrel reach a head-torso length of 343.3 mm, a tail length of 410 mm and a weight of 1117 g.…
Just a mouse? No, its the rare and endemic Ranee Mouse, Haeromys margarettae (Thomas, 1893), named after Margaret Brooke, the wife of the second white Rajah of Sarawak, Charles Brooke. just a cellphone shot (iPhone XS), location: north Sarawak, around…
The critical endangered Sunda pangolin, Manis javanica Desmarest, 1822 of central Sarawak / Borneo Below a thermal image of the sunda pangolin, Manis javanica. related posts:
Long-tailed macaque Macaca fascicularis Raffles, 1821 – of Similajau National Park in Sarawak / Borneo – I took these photos before the monkeys went to sleep. related posts:
This Borneo moth is infected by a Cordyceps fungus, probably Cordyceps tuberculata(?). The parasitic fungi grow through the host and first form a subiculum, from which aggregate fruiting bodies, so-called stromata, then grow. All Cordyceps species are parasitic on arthropods…
Unknown fungi species from Sout-Sarawak / Borneo, Comatoderma ssp.(?) or Podoscypha ssp.(?) related posts:
Bioluminescent mushrooms like this Mycena sp., of central Sarawak, begins to glow at night. With their own light they can attract insects, which could pick up spores on their bodies. With this behavior the Mushroom spread the spores over a…
buffalo eye fungus or indonesian stalked puffball, Calostoma sp. of Borneo (Sarawak / Kalimantan) The Iban-tribe called them Kulat Mata Babi (Boar-Eye-Mushroom) or in Bahasa Kulat Mata Pelanduk (Mouse-Deer-Eye-Mushroom) (another local names: kulat mata lembu, mata kerbau), is an edible…
Cicada infected by a Cordyceps-fungus(?) of South-Sarawak/Borneo. related posts:
Infected by a Cordyceps-fungus of Central-Sarawak/Borneo – probably Paecilomyces lilacinus (Thom) related posts:
An unspecified slime mold from Sarawak / Borneo. The slime molds (Mycetozoa or Eumycetozoa) are a taxon of unicellular organisms that combine characteristics of both animals and fungi in their way of life, but do not belong to either group.…
Hammerhead-Worm black&orange, Diversibipalium everetti (Moseley, 1875) of central Sarawak / Borneo related posts:
Hammerhead-Worm black&white, probably Bipalium genus of the Geoplanidae Stimpson, 1857 family. Found in south Sarawak near Kuching, 1100m ASL. related posts:
Hammerhead-Worm black&white, probably Bipalium genus of the Geoplanidae Stimpson, 1857 family. Found in Sarawak near Kuching, 20m ASL. related posts:
Tiger leech Haemadipsa picta Moore, 1929 related posts:
The Crimson sunbird Aethopyga siparaja (Raffles, 1822) of south Sarawak / Borneo related posts:
The straw-headed bulbul Pycnonotus zeylanicus (Gmelin, 1789) of central Sarawak / Borneo It is listed as critical endangered and is threatened by habitat loss and poaching. related posts:
Hooded pitta, Pitta sordida (Statius Müller, 1776) of south Sarawak / Borneo – Pitta sordida mulleri (Bonaparte, 1850) related posts:
Female of black-naped monarch, Hypothymis azurea (Boddaert, 1783) from south Sarawak / Borneo related posts:
Bornean Frogmouth, Batrachostomus mixtus Sharpe, 1892 from south Sarawak / Borneo related posts:
Scaly-crowned babbler, Malacopteron cinereum Eyton, 1839 from south Sarawak / Borneo related posts: