Sugar Glider

Sugar Gliders are small possums which have a skin membrane between their limbs that allows them to glide. They have an omnivorous diet which includes plant exudates like sap, gum, nectar & pollen. They also feed on insects and insect secretions (eg lerp, manna).
In captivity, gliders are often fed large amounts of fruits & vegetables that may be deficient in essential protein, vitamins & minerals. To provide a balanced diet, these foods can be supplemented with Wombaroo High Protein Supplement or Small Carnivore Food. See under resources for feeding guidelines for captive Sugar Gliders.
Being marsupials, Sugar Gliders are born extremely undeveloped and kept in the mother's pouch during early development. The young exit the pouch once fully-furred and continue to consume mother's milk until weaning on to solid foods. We recommend to use Wombaroo Possum Milk Replacer to hand rear young Sugar Gliders. Two different stages of Possum Milk Replacer are available to cater for the different nutritional needs of the developing joey.

  • Possum Milk Replacer <0.8

    Possum Milk Replacer <0.8 is a nutritionally balanced milk substitute for possum & glider joeys with less than 80% of their pouch life completed.

    Joeys at this stage have furless pink skin to fine fur, eyes closed to just opened and ears drooped, or starting to become erect. Joeys are fully pouch-bound and totally dependent on milk. Faeces are yellow custard to toothpaste consistency.

    Key Features

    • Specifically formulated to match the composition of early to mid lactation possum milk. 
    • Moderate energy milk, balancing carbohydrate & protein with a relatively low fat content.
    • Protein high in sulphur-containing amino acids (cysteine & methionine) to promote good hair growth.

    Vet Recommendation

    “We have used and recommended the Wombaroo Possum Milk replacers for Brushtails, Squirrels and Sugar Gliders in Townsville extensively. Handling, mentoring & supervising about 250-300 animals a year. We would recommend the milks to all the members of the care group that we trained.” Eleanor & Jim Pollock (BVSc OAM).


    Whole milk solids (low lactose), whey protein, casein, glucose, vegetable oils, omega-3 & 6 fatty acids (including DHA, EPA & Arachidonic Acid), maltodextrin, vitamins A, B1, B2, B3, B5, B6, B9, B12, C, D3, E, K, biotin, choline, inositol, calcium, phosphorus, potassium, sodium, magnesium, zinc, iron, manganese, copper, iodine, selenium.


    Powder Milk when reconstituted
     Protein 34% 59g/Litre
     Fat 15% 29g/Litre
     Carbohydrate 39% 62g/Litre
     Ash 4.0% 6.7g/Litre
     Calcium 1.3% 2.0g/Litre
     Metabolisable Energy (ME) 19 MJ/kg 3000 kJ/Litre

    Pack Sizes

    160g & 800g.

    Possum milk composition changes significantly as the joey ages. Possum Milk Replacer <0.8 is specially formulated for pinkie and just-furring joeys during mid lactation, prior to pouch emergence. Furless possums and gliders are very prone to disease and mortality and should only be attempted by experienced carers with sufficient resources.

    Joeys can be aged by their physical characteristics (hair growth, body length measurements etc.) as outlined in the Wombaroo Marsupial Milk Feeding Guidelines. Body weight is not a good indicator of age because this can vary greatly with body condition and level of dehydration.

    Success in hand-rearing young possum joeys greatly improves if they receive Impact Colostrum Supplement within a week of coming into care. This can be repeated later as necessary for joeys with a stressed immune system, especially prior to first pouch emergence. Refer to Directions for Marsupials under the Impact feeding guidelines.

    Making up Milk

    To make 100mL of milk: Mix 16g of powder (2½ scoops) with 90ml of warm water.

    To make 1 litre of milk: Mix 160g of powder with 900ml of warm water.

    Add about half of the water to the powder first and mix to a paste. Then make up with remaining water and mix thoroughly. Water is preboiled to ensure that it is sterilised. If the water is too hot it can cause the milk to curdle. If it is too cold then it will be difficult to disperse the powder. An electric whisk can be used for mixing larger quantities. Milk can be stored in the fridge for a day or can be frozen for up to 2 weeks. It may be useful to store frozen milk in small portions (eg ice cube trays), so that the required daily feed volumes can be easily thawed out. Once thawed out, discard any unused milk, and wash feeding utensils thoroughly.


    Warm milk to about 30°C and feed using a bottle and teat. A Wombaroo CP or SD teat is recommended for in-pouch possums & gliders. A syringe or eye dropper may be required for ringtails, pygmy possums or small gliders. Feed around 6-8 times per day for furless joeys, reducing this to 4 times per day by first pouch emergence. If the joey is showing signs of dehydration (eg during hot weather), give extra drinks of water between feeds. Joeys dehydrate rapidly if not maintained under optimum husbandry conditions. Consult your veterinarian or experienced carer for further information about husbandry and feeding of joeys.


    Different species of possums and gliders grow at different rates. Refer to the Wombaroo growth charts for guidelines for various species. Weigh joeys regularly to verify weight gains and determine the volume of milk to feed. Overfeeding milk can cause diarrhoea so feed the suggested volumes in our tables.

    Transitioning from Possum <0.8 to Possum >0.8 formula

    Milk transition refers to when a joey is changed from one Wombaroo milk stage to the next. It is important to transition joeys at the correct age to ensure they are getting the proper nutrition for their stage of development. Note that transition is dependent on joey age and not weight, as underweight joeys still need to be transitioned at the correct time. Once possums are fully-furred and beginning to emerge from the pouch they are ready to transition on to Wombaroo Possum Milk Replacer >0.8 formula. Joeys are gradually transitioned over about 8-18 days (depending on species) by mixing decreasing amounts of the <0.8 formula with increasing amounts of the >0.8 formula. This is outlined in the Wombaroo growth charts for various species.

    Feeding Guide

    0.5 0.4 5 2.1 20 6 70  15
    1.0 0.6 6 2.4 22 6  80 17
    1.5 0.8 8 3.0 25 7  90 18
    2.0 1.1 10 3.5 30 8 100 20
    2.5 1.2 12 4.0 35 9  110 21
    3.0 1.4 14 4.5  40 10  120 22
    3.5 1.6 16 5.0  50 12 140 25
    4.0 1.8 18 5.5  60 13  160 28

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