Dave Watts / Eastern grey kangaroo (Macropus giganteus) with joey in pouch, Australian Capital Territory, Australia, September

Owen Newman / Female red kangaroo backlit in evening sun {Macropus rufus} Sturt NP NSW Australia

Owen Newman / Female Red kangaroo backlit at sunset {Macropus rufus} Sturt NP New South Wales Australia

Owen Newman / Male Red kangaroos fighting {Macropus rufus} Sturt NP, New South Wales Australia

Ingo Arndt / Head portrait of Eastern grey kangaroo {Macropus giganticus} Australia

Doug Gimesy / Eastern grey kangaroo (Macropus giganteus) on the burnt grounds of Wallabia Wildlife Shelter. The shelter was destroyed during the 2019/20 bushfires. This male kangaroo (called 'Link') was one...

Jurgen Freund / Wildlife carer Margit Cianelli with juvenile Lumholtz kangaroo (Dendrolagus lumholtzi) with radio collar. The tree kangaroo has a radio collar to allow her to explore her forest surroundings ready for...

Jurgen Freund / Margit Cianelli wildlife carer with young Lumholtz kangaroos (Dendrolagus lumholtzi), one with a radio collar. The tree kangaroo has a radio collar to allow her to explore her forest surroundings read...

Jurgen Freund / Wildlife carer Margit Cianelli with young year old Lumholtz tree kangaroo (Dendrolagus lumholtzi) with radio collar. This kangaroo was raised by Magrit who allows the juvenile to explore the forest re...

Jurgen Freund / Margit Cianelli with Lumholtz tree kangaroo (Dendrolagus lumholtzi) 'Kimberley', a kangaroo she raised from a baby, now living in nearby forest with her own joey. Lumholtz Lodge, Atherton Tabl...

Jurgen Freund / Hand-reared Boongary (Dendrolagus lumholtzi) feeding in a kitchen, Atherton Tablelands, Queensland, Australia.

Jurgen Freund / Hand-reared Boongary (Dendrolagus lumholtzi) descending from a tree and climbing onto its carer's back, Atherton Tablelands, Queensland, Australia.

Dave Watts / Female Western grey kangaroo (Macropus fuliginosus) rolling with a large joey in her pouch, Kangaroo Island, South Australia.

Roland Seitre / Buergers' tree-kangaroo (Dendrolagus goodfellowi buergersi) climbing. Currumbin Sanctuary, Queensland, Australia. Captive, endemic to Papua New Guinea. Endangered species.

Roland Seitre / Goodfellow's tree kangaroo (Dendrolagus inustus) feeding. Captive, from New Guinea. Endangered species.

Roland Seitre / Eastern grey kangaroo (Macropus giganteus) herd, Yuraygir National Park, Grafton, New South Wales, Australia.

Konrad Wothe / Lumholtz's Tree-kangaroo (Dendrolagus lumholtzi) sitting on branch in rainforest, Atherton Tablelands, Queensland, Australia, October

Dave Watts / Eastern grey kangaroo (Macropus giganteus) family group, male, female and large joey, Tasmania, Australia, February

Dave Watts / Eastern grey kangaroo (Macropus giganteus) two males boxing, Australian Capital Territory, Australia, December

Dave Watts / Eastern grey kangaroo (Macropus giganteus) bounding, Australian Capital Territory, Australia, September

Jouan & Rius / Western Grey Kangaroos (Macropus Fuliginosus) pair hopping away across sand dunes, Mungo National Park, New South Wales, Australia

Jouan & Rius / Red kangaroo (Macropus rufus) male, Flinders Ranges National Park, South Australia, Australia

Jouan & Rius / Red kangaroo (Macropus rufus) male standing on back legs, Flinders Ranges National Park, South Australia, Australia

Jouan & Rius / Tammar wallaby (Macropus eugenii), Kangaroo Island, South Australia, Australia

Jouan & Rius / Eastern grey kangaroo (Macropus giganteus) resting on beach, Queensland, Australia

Jouan & Rius / Eastern grey kangaroo (Macropus giganteus), Queensland, Australia

Pete Oxford / Eastern Grey Kangaroo (Macropus giganteus) silhouette on coal mine site, Australia, 2006

Staffan Widstrand / Eastern grey kangaroo {Macropus giganteus} grazing with joey in pouch, Wilsons Promontory NP, Australia

Ingo Arndt / Eastern grey kangaroo {Macropus giganteus} juvenile, Australia

Dave Watts / Silhouette of Eastern Grey Kangaroo {Macropus giganteus} males boxing, New South Wales, Australia.

Pete Oxford / Eastern grey kangaroo resting {Macropus giganteus} Tasmania, Australia.

Dave Watts / Red kangaroo male bounding towards camera. {Macropus rufus) NSW, Australia. The kangaroo is the animal long jump champion , able to clear 13m (the length of a bus) from a standing start. the human rec...

Dave Watts,Dave Watts / Forester Kangaroo family {Macropus giganteus tasmaniensis} a subspecies of Eastern Grey Kangaroo, Tasmania, Australia.

Dave Watts / Bridled nailtail wallaby {Onychogalea fraenata} Australia. Endangered

Ingo Arndt / Eastern grey kangaroo with joey suckling (Macropus giganteus) Australia

Dave Watts / Musky rat kangaroo {Hypsiprymnodon moschatus} Queensland, Australia

Ingo Arndt / Eastern grey kangaroos sparring {Macropus giganteus} Australia

Staffan Widstrand / Eastern grey kangaroo hopping {Macropus giganteus}, Australia

Ingo Arndt / Eastern grey kangaroo joey looking out of pouch, Wilsons Promontory NP Australia

Ingo Arndt / Eastern grey kangaroo female with joey peering out of pouch {Macropus giganteus}. Wilson Promontory NP Australia

Staffan Widstrand / Eastern grey kangaroo with joey in pouch {Macropus giganteus} Wilsons promontory NP, Australia

Warwick Sloss / Male Red kangaroo {Macropus rufus} feeding, Fowlers Gap Research Station, New south wales, Australia

Enrique Lopez-Tapia / Red kangaroo (Macropus rufus) grazing. Phillip Island, Victoria, Australia. Captive.

Enrique Lopez-Tapia / Red kangaroo (Macropus rufus) grazing. Phillip Island, Victoria, Australia. Captive.

Enrique Lopez-Tapia / Red kangaroo (Macropus rufus) grazing in grassland, two Emu (Dromaius novaehollandiae) in background. Phillip Island, Victoria, Australia. September 2008. Captive.

Enrique Lopez-Tapia / Road sign warning drivers to watch out for kangaroos crossing the road for the next 5km. Uluru / Ayers Rock in distance. Uluru-Kata Tjuta National Park, Northern Territory, Australia.

Enrique Lopez-Tapia / Red kangaroo (Macropus rufus), two at roadside drinking water from puddles on road, a behaviour that results in collisions with vehicles. Northern Territory, Australia. 2008.

Doug Gimesy / Small mob of Kangaroo Island kangaroos (Macropus fuliginosus fuliginosus) grazing in fields in morning sun. Kangaroo Island, South Australia, Australia.