Jacarini Finch
BirdCare.com.au
PO  Box 126 Mitcham Vic 3132 ( Victoria, Australia )

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. Jacarini finch
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  • Scientific Name: Volatinia jacarina
  • Common Name/s: JACARINI FINCH,  BLUE BLACK GRASSQUIT.
  • Sub Species in country / area of origin: 3 recognised.
  • Origin / Distribution: Most of the South American continent.
  • Habitat In Wild: Cultivated areas and grasslands.
  • Status In Wild:  ?
  • Status In (Australian) Captivity: Secure.
  • Age To Sexual Maturity: ?
  • Best breeding years (estimate):  2nd - 5th year
  • Lifespan (estimate): ?
  • Sexing: Monomorphic / Dimorphic
  • Mutations: None known.
  • Availability: Bird dealers.
  • Temperament: Secretive bird that likes to hide in the shrubs. Best results occur with one pair per aviary.
  • Cost (Victoria) Per Pair: - Normal colour $60
  • Description Of Adults: The male has a nuptial plumage.
  1. Length: Approx. 115 mm (or approx 4.5 inches)
  2. Colour ( "normal" colour ): Refer photo/s above if available.
  3. Weight: Approx. 10 gms (or approx. 1/3 ozs)

Aviary Notes:

Read notes on "Finches - Non Australian" web page and use in conjunction with details outlined on this page.

Level Of Knowledge Required: Beginner / Intermediate / Advanced / Specialist Breeders Only.

Government Regulations & By-Laws: Refer to "Government Laws" web page.

Housing Requirements: Click on "Housing birds" web page for general details on the housing of Non Australian Finches or read on for specific details for this finch.

Few Jacarinis adapt to being housed in a cage.  Best kept as one Jacarini pair in a mixed finch collection in a planted aviary.  They will build a nest in shrubs or dry brush such as tea tree.  Cock birds can be aggressive to other cock birds in the same aviary.

Diet / Feeding: Click on "Feeding birds" web page for general details on the nutrition of  Non Australian Finches or read on for specific details for this finch.

Good quality finch mix, seeding grasses and live food.  Livefood is essential for good breeding results.  Mealworms are ideal.  Sprouted or soaked seed if available.

Basic seed mix should include Canary seed, White French Millet, Japanese Millet, and Yellow and Red Panicum.

Nesting: A basic overview only.

  • Roosting nest: Yes / No
  • Nesting months:  Mid summer to July.
  • Nesting receptacles:  Prefer nesting in tall grasses, thick shrubs or dried brush
  • Nest:  Both adults build the small open cup shaped nest made from grasses, coconut fibre and other materials and build the nest close to the ground.  Jacarini pairs generally avoid using artificial nests.
  • Who incubates the eggs: Hen / cock / both share.

Some Jacarinis reuse the nest for subsequent clutches but others will build a new nest.  Nest height - generally built in the lower third of the aviary.

More details on finch nests and a selection of finch nest photos can be located on the "nests", "finch nests" and "finch nest photos" web pages.  Click on "Up" then "nests" then "finch nests" and "finch nests photos" in the navigation bars.   

Breeding: Egg Colour Pale blue with reddish spots.  Clutch/s per year 3, sometimes more.  Eggs per nest 2 - 3.  Incubation approx. 12 days.  Fledge approx. 10 - 12 days.  Independent approx. another 5 - 6 weeks.

The males have a nuptial plumage.  Nest inspection is easy and generally well tolerated.  Both parents feed the young.  If space allows, the sexes can be separated after the last clutch has become independent till just prior to next breeding season.

Live foods, especially mealworms, are essential for breeding success.

Generally make good parents but the young should be removed as soon as they become independent to avoid the possibility of aggression from the parent birds.

Artificial incubation, hand rearing or fostering will not be covered on this web site.  It is too complex and diverse in nature to be attempted here.  Refer "Specific References" as listed below and "General References" listings.

Health Issues: Refer "Avian Health Issues" web page for information and references.

  • Worming and parasite control and Quarantine requirements of new birds or sick birds are considered to require veterinary advice and therefore not covered on this web site. Refer above option - "Avian Health Issues" web page.
  • Avian medicine is advancing at a rapid pace. Keep updating your knowledge and skills.

General References: Refer to references listed on "Book References" web page.

Specific References:

  • Australian Aviculture
  • A/A Vol 42 No. 4 Apr 1988 Page 96-97
  • A/A Vol 37 No. 3 Mar 1983 Page 60-63 (Inc photo)
  • A/A Vol 28 No. 5 May 1974 Page 79-81
  • A/A Vol 27 No. 10 Oct 1973 Page 173-174
  • A/A Vol 27 No. 3 Mar 1973 Page 46-47
  • A/A Vol 21 No 7 Jul 1967 Page 98-99.
  • A/A Vol 21 No 4 Apr 1967 Page 50.
  • A/A Vol 18 No 5 May 1964 Page 65-66.
  • A/A Vol 16 No 7 Jul 1962 Page 103-104.
  • A/A Vol 10 No 11 Nov 1956 Page 125-126.
  • A/A Vol 10 No 2 Feb 1956 Page 26.
  • A/A Vol  9 No 8 Aug 1955 Page 100.
  • A/A Vol  9 No 4 Apr 1955 Page 45.
  • A/A Vol  7 No 7 Jul 1953 Page 83-84.
  • A/A Vol  6 No 11 Nov 1952 Page 134.
  • A/A Vol  3 No 10 Oct 1949 Page 107-108.
  • The Bulletin No 4, Nov 1942 Page 1 (The breeding of finches - conclusion).
  • Australian Birdkeeper
  • ABK Vol  5 Issue 2. Apr-May 1992 Page 76-78

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