Predator and prey



The leopard (Panthera pardus) is widely distributed in Africa and Asia. You may read about it on the page Animals: Leopard – the spotted killer, and more pictures are found in the gallery at Animals: Cats.



Tanzania 1990
Illuminated by the setting sun, this leopard in Serengeti National Park, Tanzania, is eating his cousin, a cheetah (Acinonyx jubatus) – a very rare incident, since cheetahs are able to run much faster than leopards. Either this particular cheetah was wounded, or the leopard surprised it by jumping on it from a tree. (Photo copyright © by Kaj Halberg)



Tanzania 1993
This large male leopard is panting heavily, satiated after feeding on a white-bearded wildebeest (Connochaetes mearnsi), which he has dragged up into a sausage tree (Kigelia africana), Serengeti National Park, Tanzania. (Photo copyright © by Kaj Halberg)





The double-crested cormorant (Phalacrocorax auritus), which is divided into five subspecies, is very common in most of North America, from the Aleutian Islands in the Bering Sea south to northern Mexico, and across the continent to eastern Canada, south to the Bahamas. The specific name auritus means ‘eared’ in Latin, which, like the common name double-crested, refers to its twin crests, one on each side of the head, during the breeding season.


USA 2000-01
This double-crested cormorant in Everglades National Park, Florida, has just caught a fish, grabbing it with its strong beak, which is equipped with a hook. (Photo copyright © by Kaj Halberg)





Cambodia 2010
This Khmer relief in the ruins of Bayon, Angkor Thom, Cambodia, depicts a giant fish, swallowing a goat. – More pictures from the fascinating Angkor area may be seen on the page Decay. (Photo copyright © by Kaj Halberg)





Tanzania 1988
A blue monkey (Cercopithecus mitis) (left) and an olive baboon (Papio anubis), feeding on swarming termites, which are leaving their mound, Lake Manyara National Park, Tanzania. – Read more about these species, as well as many other monkeys, on the page Animals: Monkeys and apes. (Photo copyright © by Kaj Halberg)





Malaysia 1984-85
This cave cricket, Rhaphidophora oophaga, living in a limestone cave in Niah National Park, Sarawak, Borneo, is feeding on a dead bat. (Photo copyright © by Kaj Halberg)





The complicated ancestry of the domestic dog is described in detail on the page Animals: Dog family.



Asien 1972-73
Dogs, feeding on a dead donkey, near Raqqa, Syria. (Photo copyright © by Kaj Halberg)



Tibet 1987
An example of cannibalism: Hungry dog, eating from a dead pup, Shigatse, Tibet. (Photo copyright © by Kaj Halberg)





The African white-backed vulture (Gyps africanus) was once widespread and common in sub-Saharan Africa, occurring from the Sahel zone in West Africa, eastwards to Ethiopia and Somalia, and thence south through East Africa to South Africa and Namibia. Sadly, this species is now undergoing a rapid decline. The global population has been estimated at 270,000 individuals.

Rüppell’s vulture (Gyps rueppelli) occurs throughout the Sahel region, and also in East Africa south to Moçambique. Formerly abundant, this species may now count less than 20,000 individuals.

Both these vulture species have declined by over 90%, especially in West Africa, and they are now regarded as critically endangered. (Source:

The three pictures below were all taken in Serengeti National Park, northern Tanzania.



Østafrika 1994-95
African white-backed vultures and Rüppell’s vultures, gathered around a pregnant plains zebra (Equus quagga ssp. boehmi), which has just been struck and killed by lightning. (Photo copyright © by Kaj Halberg)



Tanzania 1993
A Rüppell’s vulture, which is feeding on the remains of a white-bearded wildebeest calf (Connochaetes mearnsi), defends its meal against an intruding lappet-faced vulture (Aegypius tracheliotus). (Photo copyright © by Kaj Halberg)



Tanzania 1993
This Rüppell’s vulture is also feeding on the carcass of a white-bearded wildebeest calf, which was probably killed by lions. (Photo copyright © by Kaj Halberg)





Argiope is a large genus of spiders of the family Araneidae, comprising about 90 species, distributed in all warmer areas of the world. Their web is quite large and often rather invisible, with the exception of a pure white silk pattern in the centre, made from densely woven threads, which form an X or a zig-zag pattern. The spider sits with one pair of legs in each of the four directions of the X, or aligned with the zig-zag pattern. This often makes the animal extremely visible, and many scientists have speculated as to what purpose this pattern is made. One theory is that its visibility might prevent large animals from accidentally destroying the web. Research has also shown that the pattern reflects ultra-violet light, which may attract prey to the web.

More pictures of Argiope species and many other spiders may be seen on the page Animals: Cobwebs.



Costa Rica-2
Argiope spider with its prey, a bush-cricket, Cahuita, Limón, Costa Rica. (Photo copyright © by Kaj Halberg)





The name ladybird spider refers to several species of the genus Eresus, named after the male, which has a red body with black spots – just like a ladybird. The female is uniformly black. Eresus sandaliatus is found in northern Europe, from Denmark and southern Sweden south to the Czech Republic, northern Italy, and northern France. A small population is also found in England. In 1993, it was estimated that only about 50 individuals were left, mainly due to destruction of its preferred habitat, moors. In 2000, however, over 600 were counted, probably owing to the efforts of various NGO’s. (Source:



Jylland 1996-99
Male ladybird spider of the species Eresus sandaliatus, surrounded by remains of its prey (beetle wings), central Jutland, Denmark. (Photo copyright © by Kaj Halberg)





The African hunting dog (Lycaon pictus) has declined dramatically during the last hundred years. This fascinating animal is described in detail on the page Animals: Hunting dogs – nomads of the savanna.



Tanzania 1989
African hunting dogs, gorging themselves on a Thomson’s gazelle (Eudorcas nasalis), Serengeti National Park, Tanzania. (Photo copyright © by Kaj Halberg)





The African fish-eagle (Haliaeetus vocifer), which is widely distributed in sub-Saharan Africa, always lives near water. This iconic raptor is the national bird of no less than three countries: Zambia, Zimbabwe, and South Sudan.

This species was described by French naturalist François Levaillant (1753-1824), who named it vocifer (’the one who has a penetrating voice’) – a most suitable name for this eagle, whose scream often resound over the African landscape.



Sydlige Afrika 1996-97
This African fish-eagle has just caught a fish in Lake Malawi. (Photo copyright © by Kaj Halberg)



Afrika 1980-81
An African fish-eagle attacks a marabou stork (Leptoptilos cruminifer), as the stork attempts to steal its food, consisting of the remains of a goat, which was hung up in a tree to lure leopards to the place, Samburu National Park, Kenya. (Photo copyright © by Kaj Halberg)





Nepal 1991a
This digger wasp has sedated a grasshopper by injecting poison into its body. Now the wasp is bringing its victim to its nesting hole, where it will lay eggs on its body. When the wasp larvae hatch, they feed on the grasshopper, which by then will still be alive. – Tumlingtar, Arun Valley, eastern Nepal. (Photo copyright © by Kaj Halberg)





In Ancient Greek mythology, Python was a huge dragon or serpent, guarding the temple at Delphi, which by the Ancient Greeks was regarded as the centre of the Earth. In his book Fabulae, Roman author Gaius Julius Hyginus (c. 64 B.C. – 17 A.D.) states that Zeus had made love to the goddess Leto. When she was about to give birth to Apollo and Artemis, goddess Hera got jealous, sending Python to pursue Leto, making her unable to deliver, wherever the sun was shining. When Apollo grew up, he wanted to avenge his mother, travelling to Mount Parnassos, where the monster dwelled. He chased it to Delphi, where he killed it with his arrows.

Zoologically speaking, Python is a genus of large constricting snakes, comprising eleven species, distributed in tropical regions of Asia and Africa. The Indian rock python (Python molurus) is found on the entire Indian Subcontinent, including Sri Lanka.



Nordindien 1985-86
This Indian rock python is basking in the sun outside its den, Keoladeo National Park, Rajasthan, India. Formerly, its den was probably inhabited by a family of Indian porcupines (Hystrix indica), which may have deserted it – or the python simply chased them away. (Photo copyright © by Kaj Halberg)



Nordindien 1985-86
As is obvious from this info sign in Keoladeo National Park, the rock python is a formidable predator. (Photo copyright © by Kaj Halberg)





Lions (Panthera leo) live in prides, consisting of females and young, and a single or several males. If there is more than one male, they are brothers or half-brothers. Even if they often don’t participate in a hunt, the stronger males will chase away lionesses and cubs from a prey, if it is not large enough to feed the entire pride.

More pictures of lions may be seen in the gallery at Animals: Cats. You can also read about our nightly adventure with lions on the page Travel episodes – Tanzania 1990: Lions in the camp.



Østafrika 1994-95
This lone, ageing male lion in Serengeti National Park, Tanzania, is feeding on the carcass of a plains zebra (Equus quagga ssp. boehmi). (Photo copyright © by Kaj Halberg)



Tanzania 1990
Young lion, feeding on a white-bearded wildebeest (Connochaetes mearnsi), Tarangire National Park, Tanzania. (Photo copyright © by Kaj Halberg)





Sydindien 2008
Water bugs, eating from a drowned dragonfly, Mysore, Karnataka, India. (Photo copyright © by Kaj Halberg)





The white-chinned petrel (Procellaria aequinoctialis) is a large shearwater, living in southern waters and often observed as far north as southern Australia, southern Africa, and Peru. It is still common, but is declining rather drastically everywhere.



Sydafrika 2003
White-chinned petrels, feeding on a dead fish, south of Cape of Good Hope, South Africa. The pale bird to the left is a Cape petrel (Daption capense). (Photo copyright © by Kaj Halberg)





Golden orb-weavers, of the genus Nephila, are members of the family Araneidae. This genus, comprising about 23 species, is found in tropical and subtropical regions around the world. The female, which is several times larger than the male, can grow to 6 cm body length, with a leg span up to 15 cm. The generic name is derived from the Greek nein (‘to spin’) and philos (‘love’), thus ‘fond of spinning’. The web of these spiders is enormous, up to 2 m across, with supporting strands much longer. The webs of different females are sometimes inter-connected, together covering many square metres. Small birds and bats are reported to have been caught in these strong webs.

More pictures of Nephila species and many other spiders may be seen on the page Animals: Cobwebs.



Taiwan 2009
Female Nephila pilipes, sitting in its huge web, which contains many remains of its prey, Basianshan National Forest, Taiwan. (Photo copyright © by Kaj Halberg)





The Taiwan toad (Bufo bankorensis), also called Bankor toad, is a large toad, which is endemic to Taiwan. Females, which are larger than males, can reach a length of 20 cm from snout to vent. This species is widely distributed from sea level up to an altitude of c. 3,000 m. Genetic research indicates that it originated from Bufo gargarizans of China. It then dispersed to almost the entire island, resulting in highly diverse western and eastern populations.



Taiwan 2010
This large Taiwan toad in Malabang National Forest, near Hsinshu, is swallowing a one-foot-long earth worm. Note the poison gland behind the eye. (Photo copyright © by Kaj Halberg)





The Nile crocodile (Crocodylus niloticus) is a formidable predator, which is able to bring down large animals like zebras and wildebeest. This species is widespread throughout sub-Saharan Africa, and in historic times it was also found all along the Nile River (hence its name), north to the Nile Delta. Today, however it is restricted to the southernmost parts of Egypt, around Lake Nasser.



Tanzania 1993
This Nile crocodile in the Orangi River, Serengeti National Park, Tanzania, is tearing apart its prey, a white-bearded wildebeest (Connochaetes mearnsi). (Photo copyright © by Kaj Halberg)





The black vulture (Coragyps atratus) is a widespread and common scavenger, found from south-eastern United States, south to Chile and Uruguay. Although it mainly eats carrion and garbage, it is also able to kill smaller animals, notably newly hatched sea turtles, making their way towards the sea.



Costa Rica-2
Black vultures, feeding on a raccoon (Procyon lotor), which was killed by a car, Cahuita, Limón, Costa Rica. (Photo copyright © by Kaj Halberg)





Tanzania 1988
Ghost crabs, feeding on a dead cat on a beach, Dar es Salaam, Tanzania. (Photo copyright © by Kaj Halberg)





The western yellow-legged gull (Larus michahellis) is found in the Mediterranean Sea. This species resembles the widespread herring gull (Larus argentatus), but can be identified by its yellow legs and very powerful beak. The western yellow-legged gull is extremely common in Istanbul, Turkey, where it often breeds on house roofs. If a window is left open, it may enter to search for edibles.

This species and other gulls are dealt with in depth on the page Nature: Urban nature.



Tyrkiet 2006
This western yellow-legged gull in Istanbul has killed a domestic pigeon and is now eating it on a roof top. It shows a threatening attitude towards an intruding hooded crow (Corvus corone ssp. cornix), which is very interested in the kill. (Photo copyright © by Kaj Halberg)





Tanzania 1993
This cheetah (Acinonyx jubatus) is feeding on an impala (Aepyceros melampus), while its satiated companion is resting in the shrubs, panting, Serengeti National Park, Tanzania. More pictures of cheetahs are found in the gallery at Animals: Cats. (Photo copyright © by Kaj Halberg)




Flesh-eating plants are dealt with on a separate page, see Plants: Flesh-eating plants.




(Uploaded September 2016)


(Latest update July 2019)