The Southern Cross, or the Constellation of Crux – as the name implies – is visible in the Southern Hemisphere. It consists of the Southern Cross and the two pointers: Alpha-(Rigil Kent) and Beta-Centauri (Hadar). Finding direction in True South…

Finding the Pole Star with the Constellation of Ursa Major Only in the Northern Hemisphere is the Pole Star visible, and its location is mainly indicated by the position of the two pointers of the Great Bear (also called the…

The Constellation of Scorpius (‘Scorpio’) is a vast constellation visible from May to November in the evening sky of the Southern Hemisphere. It is located directly opposite the Constellation of Orion – therefore, visible when Orion is not. Finding direction…

In Southern Africa, fourteen species of Bushwillows belong to the Combretum family. Other trees of the same Combretum family are Clusterleaf species, Leadwood, and others. Interestingly, not all Combretum species are suitable for firewood, but some are excellent for that…

The Greenthorn tree (Balanites Maugham) is easily recognizable in Southern Africa due to its triangular, fluted, or buttressed trunk. Its spines are green like its twigs and often forked. It is very spiny and challenging to climb. It mainly grows…

The Double-banded Sandgrouse (Pterocles bicinctus) is commonly and colloquially called by its abbreviation ‘DBSG’ in Southern Africa. Its main distribution area is the savanna biome, especially Mopani Bushveld. There are three more species of sandgrouses in Southern Africa, all having…

The Constellation of Orion, or ‘The Hunter’ can be best viewed in the evening skies from November to February. It holds for both the Northern and Southern hemispheres during that time. Of the three belt stars, the highest one is…

Grill spit for small fish outdoor cooking on a spit Smaller fish up to about 20 cm long are typically put on a grill spit, which is just a split stick. Often, in Thailand, this will be Pla Kod (Thai:…

In Thailand, two types of freshwater snails are commonly consumed. The first group is comprised of the larger Apple snails (Pomacea canaliculata), while the other group is referred to as Freshwater snails (Sinotaia sp. & Filopaludina sp.). These genera can…

Edible jellyfish (Aurelia sp.) is called ‘Maeng krapun jarn’ (Gulf of Siam) or ‘Lodchong’ (Andaman Sea) in Thailand. Usually, there are about three months a year when jellyfish appear for food. During this jellyfish run, sea fishermen earn a sizeable…

Squid is a main source of income for many fishermen in villages around the Gulf of Thailand and the Andaman Sea. Because fish are becoming increasingly rare, whereas Cephalopods maintain their population. Only certain types of finfish are sold profitably,…

The Asian swamp eel (Monopterus albus), called Pla Lai in Thailand, is used as a food source and for offering to the spirit deities. When still slim and young, eels are sold to the Buddhist local population for doing a…

Simple crab snare for use on a tropical beach A crab snare is usually shaped like a bait cage with about six snares around it. This set-up combines a fishing line and rod or just hung down the sea bottom…

Freshwater prawns (Macrobrachium lanchesteri), also called ‘Ricefield shrimps’ or ‘Goong foi’ in Thai, live in significant numbers in every permanent water body in Thailand. They are the primary food source for various fish and other predators, one of them being…

Small lift net for catching daily meals of freshwater prawns and fish ‘Yor lek’ is a hand-lifting net; in Thai, it means something like a ‘small lift net. ‘ ‘Yor’ means ‘lift net’ and ‘lek’ means ‘small’. Its big brothers…

Description of cast nets used in Thailand Cast nets in Thailand are available in different radius models. I prefer one with a radius of 3.5 meters, which is from the center of the net to the outer axial rim chain,…

There is a variety of small catfish species with dangerous spines living in Thai waters. One, a very abundant one, is locally called Pla Kod (Hemibagrus wyckioides); English common name: Asian Redtail Catfish; Thai name: ปลากด. The typical length for…

Most Thai water channels, khlongs, and streams are clogged with a variety of water plants, predominantly Common Water Hyacinth (Eichhornia crassipes). This invasive species was introduced in 1901 by Thai Royalty from Indonesia and was supposed to be eradicated by…

Hand nets, equipment, and technique For hand net fishing, mosquito netting is used to sieve water bodies for rice field shrimps and fish fry in Thailand. In order not to lose caught animals, the netting was brought into a deep,…

Learning the craft of bamboo fish trap weaving The correct English wording for a ‘Lop’ in Thai would be ‘Horizontal cylinder trap with entry cone’. It is used to catch various freshwater fish and crustaceans, including small snakeheads, catfish, shrimp,…

The term ‘Bank line’ used in English to refer to a string of poles along a water bank is virtually unknown in Southeast Asia. Instead, this fishing method and its equipment are referred to by different names in the region….

A mudflat full of razor clams ‘Don Hoi Lot’ is a mudflat in the Thai Province of Samut Songkhram with a size of about 15 km2 (about 9 square miles). ‘Don’ means ‘mudflat’ in English. ‘Hoi’ means ‘clam’, and ‘Hoi…

Nipa palms (Nypa fruticans) are a species of palms especially adapted to muddy environments of slow-moving tidal waters and mangrove forests. They occur in Asia-Pacific tropical climates. Nipa palm fruits are delicious to eat. Both the fruits and wooden parts…

In Thailand, four mudskipper species can be found. These are the Giant mudskipper (Periophthalmodon schlosseri), Blue-spotted mudskipper (Boleophthalmus boddarti), Gold-spotted mudskipper (Periophthalmus chrysospilos) and the Indian Dwarf mudskipper (Periophthalmus novemradiatus). The Giant- and Blue-spotted mudskippers live at the Andaman Sea-…

Swamp morning glory or Water spinach (Ipomoea aquatica) has various common names, like ‘Kangkong’ in Southeast Asia or ‘Kung Shin Tsai’ in China. It is a staple vegetable food throughout the Asia-Pacific region. It is deficient in calories (19 cal/100…

The fruit Durian (Durio zibethinus) is named after the Malay word ‘Duri’ for ‘Thorn’, referring to the thorny skin, and ‘zibethinus’ obviously refers to its smell. And the most sought-after variety in Malaysia is ‘Musang King’, where ‘Musang’ means ‘Palm…

In many areas of the biggest Cambodian lake, its tributary river, and the Mekong flood plains, permanent bamboo fence fish traps, or, more appropriately, catching structures, are erected and operated. The leader fence, which guides fish into the trap’s inner…

Grass trees (Xanthorrhoea sp.) and grass tree stalks are endemic to Australia. They are locally called ‘Black Boys’ due to their appearance after bushfires. They need a certain number of regular fires for their survival and are well protected against…

The common name ‘Spinifex grass’ is not entirely correct as a botanical term for discussed grasses, as commonly named ‘Spinifex’ grasses belong to the genus ‘Triodia’, whereas the genus ‘Spinifex’ itself contains mainly coastal grasses. Whatever it is, the common…

Description of Goannas The Australian sand monitor (Varanus gouldii) is also called Gould’s monitor or colloquially ‘Goanna’. There are two subspecies: Varanus gouldii gouldii and Varanus gouldii flavirufus (smaller subspecies). V. gouldii gouldii is distributed nearly all over Australia except…

In the former article, I described seeing a majestic sand monitor lizard close by on my drive from Menzies to Sandstone on a side road. Driving further on, I was surprised to see many more Goannas left and right on…

Although they are commonly referred to as “Ant beds,” particularly in Australia, the structures are actually “Termite mound.” Despite their physical similarities to ants, termites are related to cockroaches rather than ants. However, like ants, they are small and numerous….

Danger of buffaloes is overrated. The ‘Cape buffalo’ (Syncerus caffer caffer) as a subspecies of the ‘African buffalo’ (Syncerus caffer) is the typical Southern African savannah biome buffalo species. The denomination of ‘African Black Death’ was coined by trophy hunters,…

The general behavior of lions African Lions (Panthera leo) are sometimes overrated in their danger for people hiking in Big-5 game areas. Lion behavior is such that they usually sleep and rest for 20 hours a day to replenish their…

Musth is a condition of elevated testosterone levels in the blood of elephants. African elephant (Loxodonta africana) bulls come into their first musth when they are between 15 – 17 years old. The length of the musth depends on the…

Purslane (Portulacaria Afra), or ‘spekboom’ in the Afrikaans language, is a succulent plant, endemic to South Africa’s Eastern Cape province. It has light-green soft leaves and red-colored stems. The leaves can be eaten raw, as pickles, chutney, or jam, or…

Aposematic coloration The ‘Elegant Grasshopper’ (Zonocerus elegans) occurs commonly throughout Southern Africa and is mentioned due to its aposematic coloration, typical for animals that want to announce that they are poisonous. And he is a poisonous grasshopper. In the case…

Elephants are a kind of dung-producing machines In the wild, African elephants (Loxodonta africana) are foraging about 150 – 180 kg of plant material per day. And they also drink about 350 liters of water. Consequently, they excrete about 10 –…

Many national parks, private game reserves, and game farms in Southern Africa are under heavy pressure from snares for poaching—not only rhino horn poaching but also indiscriminate poaching for meat. Internationally acting gangs from certain countries mainly organize rhino horn…

Where to dig One of the most essential techniques for finding drinkable water in Southern African natural environments is digging for water in areas that are holding water underground. These water-holding structures can be situated next to an open water…

The type of wood for fire hand drills changed over time Fire starting with friction hand drills was traditionally common among Khoi-san (Ju//hoansi) people in their distribution area, which was once over Southern Africa and became increasingly confined by invading…

The energy received by the earth from the sun is called the Solar Constant, which describes the effect that every 1 m2 of planet Earth facing the sun’s rays at a 90-degree angle (directly overhead) will receive 1375 Watts (Joules/sec)….