- Stories > Feature Stories > Frogzilla (25) More files...
Weighing in excess of a kilogram, the African giant bullfrog, Pyxicephalus adspersus, is the largest frog in southern Africa and one of the largest in the world. So what makes these giants of the amphibian world so hard to find?

Download our full story PDF, including text, here.

African giant bullfrog (Pyxicephalus adspersus) male calling, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569262
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) male calling, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) males in pond, waiting for females to arrive, with one pair in amplexus.Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569263
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) males in pond, waiting for females to arrive, with one pair in amplexus.Central Kalahari Game Reserve. Botswana.
African bullfrog {Pyxicephalus flavigula} emerging from burrow, Tsavo East NP, Kenya - Jabruson
01158993
Jabruson / African bullfrog {Pyxicephalus flavigula} emerging from burrow, Tsavo East NP, Kenya
African giant bullfrog (Pyxicephalus adspersus) male calling with vocal sac inflated, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569269
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) male calling with vocal sac inflated, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) female with much larger male in the background, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569272
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) female with much larger male in the background, Central Kalahari Game Reserve. Botswana.
African bullfrog {Pyxicephalus flavigula} eating mouse. Tsavo East NP, Kenya - Jabruson
01102944
Jabruson / African bullfrog {Pyxicephalus flavigula} eating mouse. Tsavo East NP, Kenya
African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569259
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569253
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569264
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) pair in amplexus, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569265
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) pair in amplexus, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) pair in amplexus with female raising hind legs above the water to release her eggs, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569271
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) pair in amplexus with female raising hind legs above the water to release her eggs, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) tadpoles in water, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569260
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) tadpoles in water, Central Kalahari Game Reserve. Botswana.
African bullfrog  / Giant bullfrog /Pixie frog (Pyxicephalus adspersus) male digs canal to rescue tadpoles from drying puddle, South-Africa. Second prize winner in this Wildlife Photographer of the Ye... - Mark Payne-Gill
01084450
Mark Payne-Gill / African bullfrog / Giant bullfrog /Pixie frog (Pyxicephalus adspersus) male digs canal to rescue tadpoles from drying puddle, South-Africa. Second prize winner in this Wildlife Photographer of the Ye...
African giant bullfrog (Pyxicephalus adspersus) male calling in pond, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569255
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) male calling in pond, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569268
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana.
Photographer Chris Fallows taking pictures of African giant bullfrog (Pyxicephalus adspersus) Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569261
Chris & Monique Fallows / Photographer Chris Fallows taking pictures of African giant bullfrog (Pyxicephalus adspersus) Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) pair in amplexus, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569266
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) pair in amplexus, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) male in pond, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569256
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) male in pond, Central Kalahari Game Reserve. Botswana.
African Bull Frog / Pixie Frog (Pyxicephalus adsperus) captive from Southern Africa - Michael D. Kern
01395890
Michael D. Kern / African Bull Frog / Pixie Frog (Pyxicephalus adsperus) captive from Southern Africa
Bullfrog {Pyxicephalus flavigula} emerging from summer sleep, Tsavo NP, Kenya, East Africa - Jabruson
01083971
Jabruson / Bullfrog {Pyxicephalus flavigula} emerging from summer sleep, Tsavo NP, Kenya, East Africa
African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569258
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569254
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) males fighting over female, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) in pond, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569270
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) in pond, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569267
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) male in pond, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
01569257
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) male in pond, Central Kalahari Game Reserve. Botswana.