Birth in Australopithecus, apes, & man: a passage over time (part 2)

This gallery contains 2 photos.

Walking into trouble: birth in higher primates. Birth of their baby is usually fast & uncomplicated in higher primates such as gorillas, chimpanzees, & orangutans. However in man the birth is usually prolonged and obstructed labor a common problem, with … Continue reading

More Galleries | Leave a comment

Birth in Australopithecus, apes, & man: a passage over time (part 1)

This gallery contains 2 photos.

I would like to discuss the differences between the birth of a baby in humans & the great apes e.g. gorillas, chimpanzees, & orangutans. In this part 1 we will first look the normal birth process. In part 2, I … Continue reading

More Galleries | Leave a comment

Not too hot and not too cold: mammals (endotherms) in the Kalahari. (Part 6)

This gallery contains 2 photos.

The Kalahari Desert can get extremely hot in summer & very cold in winter. Large & small mammals in the desert maintain their optimal temperature despite these large changes in ambient temperature. As we have previously discussed in the reptiles behavioral mechanisms … Continue reading

More Galleries | Leave a comment

Not too hot and not too cold: reptiles (ectotherms) in the Kalahari.(Part 5)

This gallery contains 3 photos.

The Kalahari desert can get extremely hot in summer & very cold in winter. Snakes & lizards in the desert have to maintain their optimal temperature despite these large changes in ambient temperature. Behavioral mechanisms play an essential role & when … Continue reading

More Galleries | Leave a comment

Not too hot and not too cold: Thermal stress & how organisms adapt? (part 4)

This gallery contains 2 photos.

Seasonal migrations in terrestrial & aquatic animals & daily choice by mammals of the right time of day for hunting illustrate how changes in temperature influence animal behavior. Temperature greatly affects all organisms & imposes limits on where they can survive … Continue reading

More Galleries | Leave a comment

Not too hot and not too cold: Jargon in heat regulation; Its Greek to me! (Part 3)

This gallery contains 2 photos.

Warm blooded and cool blooded are easily understood terms. Unfortunately in describing heat regulation of different animal species they are not always correct. There are lots of variations in how mammals, birds, reptiles, & fishes regulate their temperatures and thus … Continue reading

More Galleries | Leave a comment

Listen to the songs that dassies sing

This gallery contains 1 photo.

I didn’t realise just how interesting dassies are! Searching for their latin names for my keywords in my photography portfolio opened up a fascinating world. The information below was copied from two websites. They also have an unusual method of temperature regulation for mammals, but that … Continue reading

More Galleries | Leave a comment