Masked Owl - Nswfmpa.org

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10.6 Timing of BreedingMasked Owls breed erratically, when conditions are favorable which can be any time ofthe year.Tyto novaehollandiae castenops, the Tasmanian race is a seasonal breeder with most egglaying in late October to early November (Higgins 1999).10.7 Age at First Breeding and Last BreedingAt Featherdale they have started to breed just after getting their adult feathers,approximately 2-3 years of age. Birds at 10-13 years are still successfully breeding todate November 2008. Older birds have laid eggs but the eggs have been infertile.10.8 Ability to Breed Every YearMasked Owls are able to breed every year if conditions are favorable.10.9 Ability to Breed More than Once Per YearMasked Owls have the ability to double clutch and can breed more than once in a singleyear.If eggs or young are removed Masked Owls can lay another clutch of eggs.10.10 Nesting, Hollow or Other RequirementsMasked Owls can nest on ledges in caves but will typically nest in vertical hollows 40-500cm deep in eucalypt trees. Nest materials may include soil, mulch, or sawdust.10.11 Breeding DietAt Featherdale Wildlife Park Masked Owls are fed a variety of foods all year round allthat is change around breeding time is the quantity of food. When courting behaviors andeggs are present the food is increased by almost ¼ per bird i.e. about the equivalent of 10day old chicks for the pair. When the masked owls have young food is increased byalmost 50% per bird i.e. the equivalent of 12 day old chicks for the pair.10.12 Incubation PeriodEggs are incubated for about 35 days, by the female. The female is fed in the nest by themale each night. (Readers Digest).10.13 Clutch SizeUsually 2-3 off-white oval shaped eggs, 43-50 x 35-38mm in size, are laid on alternatenights. (Readers Digest).42
10.14 Age at FledgingFigure 13 approximately 12 weeks of ageYoung are brooded by the female for the first 2-3 weeks and then fed by both parents andare fledged in 10-12 weeks. (Readers Digest).43
Page 1 and 2: Husbandry GuidelinesForMASKED OWLTy
Page 4 and 5: BEAK:If using proper restraint tech
Page 6 and 7: 7.6.3 Water and Food ..............
Page 8 and 9: 1 IntroductionOwls make up the orde
Page 10 and 11: 3 Natural HistoryThe original descr
Page 12 and 13: gullies and along watercourses are
Page 14 and 15: 4 Housing RequirementsAs directed b
Page 16 and 17: Wire roof surfaces should be as hor
Page 18 and 19: two meters from the ground. Tree st
Page 20 and 21: • Hose out water bowl thoroughly
Page 22 and 23: la biblioteca vaticana celebracon u
Page 24 and 25: FooditemStarvedayA mix ofGamemeat,(
Page 26 and 27: 7 Handling and Transport7.1 Timing
Page 28 and 29: Figure 10 slowly pulling owl out of
Page 30 and 31: The door can be horizontal or verti
Page 32 and 33: 8 Health Requirements8.1 Daily Heal
Page 34 and 35: 8.2.2 Chemical RestraintDo not feed
Page 36 and 37: Probably involves insect as an inte
Page 38 and 39: 9 BehaviourThe Masked Owl is consid
Page 40 and 41: 9.11Suitability to CaptivityMasked
Page 44 and 45: 10.15 Age of Removal from ParentsAf
Page 46 and 47: This sophisticated database applica
Page 48 and 49: • A nestling’s first meal after
Page 50 and 51: Human imprinted birds are sensitive
Page 52: The two methods of release used by
Page 55 and 56: ReferencesJackson, S.M. (2002) Stan
Page 57 and 58: 12 Bibliography57
Page 59 and 60: 14 AppendixAppendix 1 standards for
Page 61 and 62: Square-tailed Kite Lophoictinia isu
Page 63 and 64: equirements of raptors.b) Suitable
Page 65 and 66: COOL'.g) No more than one raptor sh
Page 67: Appendix 2 MSDS Power Plus Disinfec
Page 75: Appendix 4 MSDS for F1075

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