What is the maximal age a Goodfellow’s tree-kangaroo reaches?
An adult Goodfellow’s tree-kangaroo (Dendrolagus goodfellowi) usually gets as old as 21 years.
Goodfellow’s tree-kangaroos are around 37 days in the womb of their mother. When born, they weight 200 grams (0.44 lbs) and measure 0.4 cm (0′ 1″). As a member of the Macropodidae family (genus: Dendrolagus), their offspring is 1 babies per pregnancy. Fully grown, they reach a bodylength of 60.4 cm (2′ 0″).
As a reference: Usually, humans get as old as 100 years, with the average being around 75 years. After being carried in the belly of their mother for 280 days (40 weeks), they grow to an average size of 1.65m (5′ 5″) and weight in at 62 kg (137 lbs), which is obviously highly individual.
Goodfellow’s tree-kangaroo (Dendrolagus goodfellowi) also called the ornate tree-kangaroo, belongs to the family Macropodidae, which includes kangaroos, wallabies and their relatives, and the genus Dendrolagus, with eleven other species. The species is native to the rainforests of New Guinea, and the border of central Irian Jaya in Indonesia. Under the IUCN classification, the species is listed as Endangered, which is a result of overhunting and human encroachment on their habitat. It is named after British zoological collector Walter Goodfellow.
Animals of the same family as a Goodfellow’s tree-kangaroo
Not really brothers and sisters, but from the same biological family (Macropodidae):
- Western brush wallaby with 1 babies per pregnancy
- Short-eared rock-wallaby with 1 babies per pregnancy
- Black-striped wallaby becoming 15 years old
- Red-necked pademelon becoming 9 years old
- Bridled nail-tail wallaby becoming 5 years old
- Toolache wallaby with 1 babies per pregnancy
- Swamp wallaby becoming 15 years old
- Spectacled hare-wallaby becoming 6 years old
- Yellow-footed rock-wallaby becoming 12 years old
- Antilopine kangaroo becoming 16 years old
Animals that reach the same age as Goodfellow’s tree-kangaroo
With an average age of 21 years, Goodfellow’s tree-kangaroo are in good companionship of the following animals:
- North American porcupine usually reaching 18 years
- Red goral usually reaching 18.25 years
- Golden lion tamarin usually reaching 24.75 years
- Black-headed spider monkey usually reaching 24 years
- Kit fox usually reaching 20 years
- Bighorn sheep usually reaching 24 years
- Emperor tamarin usually reaching 20.17 years
- Western grey kangaroo usually reaching 20 years
- Patas monkey usually reaching 23.83 years
- Bechstein’s bat usually reaching 21 years
Animals with the same number of babies Goodfellow’s tree-kangaroo
The same number of babies at once (1) are born by:
- Siamang
- Mauritian tomb bat
- Western tree hyrax
- Bawean deer
- Sangihe tarsier
- Sunda slow loris
- Chinese pangolin
- Gracile Atlantic spiny rat
- Harp seal
- Gray dorcopsis
Weighting as much as Goodfellow’s tree-kangaroo
A fully grown Goodfellow’s tree-kangaroo reaches around 7.98 kg (17.59 lbs). So do these animals:
- Zanzibar red colobus weighting 7.16 kilos (15.79 lbs) on average
- Javan surili weighting 6.57 kilos (14.48 lbs) on average
- François’ langur weighting 8.16 kilos (17.99 lbs) on average
- Celebes crested macaque weighting 7.37 kilos (16.25 lbs) on average
- Venezuelan red howler weighting 6.41 kilos (14.13 lbs) on average
- Black-headed spider monkey weighting 9.07 kilos (20 lbs) on average
- Preuss’s red colobus weighting 8.91 kilos (19.64 lbs) on average
- Rhesus macaque weighting 6.45 kilos (14.22 lbs) on average
- Sooty mangabey weighting 6.94 kilos (15.3 lbs) on average
- Peruvian spider monkey weighting 7.09 kilos (15.63 lbs) on average