Kurt Hoelzl
Eating a sand monitor lizard (Goanna)
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…
Ant hills for building materials in Australia
Although they are commonly referred to as “Ant hills,” particularly in Australia, the structures are actually “Termite hills.” Despite their physical similarities to ants, termites are related to cockroaches rather than ants. However, like ants, they are small and numerous….
African buffaloes are dangerous
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,…
Lion behavior – so different by day and night
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…
Recipe for disaster – elephant bulls in musth
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 leaves as a vegetable in South Africa
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…
Poisonous beauty: The ‘Elegant Grasshopper’
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…
Water from elephant dung
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 –…
Snares for poaching are a real problem
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…
Digging for water by wells in sandy riverbeds
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…
Creating fire by hand drill in Namibia
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…
Solar fire lighting
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)….