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Zebra Finch (Taeniopygia guttata) - Wiki
Subject: Zebra Finch (Taeniopygia guttata) - Wiki
Zebra Finch, Taeniopygia guttata.jpg
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Zebra Finch (Taeniopygia guttata) - Wiki

Zebra Finch
From Wikipedia, the free encyclopedia

[Photo] Zebra Finch. Source: Abberton Bird Lodge Author: Bill Jolly. Date: 2004. Location: Lockyer Valley, Queensland, Australia

The Zebra Finch, Taeniopygia guttata is the most common and familiar estrildid finch of Central Australia and ranges over most of the continent, avoiding only the cool moist south and the tropical far north. It also can be found in Indonesia (native), Timor-Leste (native), Puerto Rico (introduced), Portugal (introduced) & USA (introduced). Zebra Finches inhabit open steppes with scattered bushes and trees, but have adapted to human disturbances, taking advantage of human-made watering holes and large patches of deforested land. Zebra Finches ??? including many human-bred variants to the species ??? are widely kept by genetic researchers, breeding hobbyists and pet owners.

There are two distinct sub-species as followed:

Taeniopygia guttata guttata, the Timor Zebra Finch, extends from Lombok in the Lesser Sunda Islands or Nusa Tenggara in Indonesia to Sermata in addition to coastal areas around the continent of Australia.
Taeniopygia gutatta castanotis is found over the wide range of continental Australia.

The morphological differences between the sub-species include differences in size. Taeniopygia guttata guttata is smaller than Taeniopygia guttata castanotis. In addition, the T.g. guttata males do not have the fine barring found on the throat and upper breast of T.g. castanotis as well as having small breast bands.

The Zebra Finch breeds after substantial rains in its native habitat, which can occur at any time of the year. Birds in captivity are ready to breed year-round. Wild birds are adaptable and varied in their nesting habits, with nests being found in cavities, scrub, low trees, bushes, on the ground, in termite hills, rabbit burrows, nests of other birds, and in the cracks, crevices, and ledges of human structures. Outside of the breeding time, brood nests are constructed for sleeping in.
    "Zebra Finches are extremely gregarious birds that are never met singly in their native habitat but are always found in groups of several pairs. The closest bond is between the cock and the hen... these two do things separately only while the eggs and nestlings have to be kept warm. However, despite the close contact with their mates, adult females indulge in bodily contact only rarely. Males in full coloration never do"
    ??? Hans-J??rgen Martain, 'Zebra Finches'

Zebra Finches are sometimes used as avian model organisms. They are commonly used to study the auditory processing capabilities of the brain, due to their ability to recognize and process other Zebra Finches' songs. Their popularity as model organisms is also related to their prolific breeding, an adaptation to their usually dry environment. This ability also makes them popular as pet songbirds, and they are usually found at relatively inexpensive prices.

Song and other vocalizations
Zebra Finches are loud and boisterous singers. Their call is a loud "beep", sounding something like a toy trumpet or the buttons on a phone being pushed . Their song is a few small beeps, leading up to a rhythmic song of varying complexity. Each bird's song is different, although birds of the same bloodline will exhibit similarities, and all finches will overlay their own uniqueness onto a common rhythmic framework, which becomes obvious after a few minutes of listening to finch song.

Male Zebra Finches begin to sing at puberty while females lack a singing ability. This is due to a developmental difference, where in the embryo, the male Zebra Finch produces estrogen, which is transformed into a testosterone-like hormone in the brain, which in turn leads to the nervous development of a song system. Their song begins as a few disjointed sounds, but as they experiment and match what they sing to genetic memories of songs, it rapidly matures into a full-fledged song. During these formative times, they will incorporate sounds from their surroundings into their song, also using the song of their father and other nearby males for inspiration.

Male finches use their song, in part, as a mating call. The mating act is usually accompanied by a high pitched whining sound. They will also exhibit a hissing sound when they are protecting their territory.

Zebra Finches, being weaverbirds, are primarily seedeating birds, as their beaks are adapted for dehusking small seeds. They prefer millet, but will eat many other kinds of fruit seeds as well. While they prefer seed, Zebra Finches will also eat fruits, vegetables, egg food, and live food, enjoying a meal of mealworms and other small insects. They are particularly fond of spray millet, and one or two of these small birds will decimate a spray millet stalk within a few days. Zebra Finches are messy and voracious eaters, typically dropping seed everywhere. This behavior actually spreads seed around, helping plants to reproduce.

Care of captive finches
Zebra Finches also need a lot of calcium, especially when breeding, so a cuttlebone (the bone of a cuttlefish) should be provided. This is especially important when the female is laying eggs, as a calcium deficiency could cause egg binding, an exhausting and potentially fatal condition.

When setting up a cage for captive Zebra Finches, care should be taken to ensure that they have enough room to fly. A large cage is much better than a small cage, and a long or wide flight cage serves them better than a tall cage, for Zebra Finches do not fly or climb vertically. In taller cages, Zebra Finches tend to leave the lower area unused, instead preferring to fly back and forth between perches near the top of the cage.

Zebra Finches should also be provided with perches of several sizes. All perches being the same size may lead to a serious foot condition.

Fresh food and water should always be provided for them daily - and a dish to bathe in is greatly appreciated. Being small and active birds, Zebra Finches have a very high metabolism and cannot survive for any length of time without food.

Zebra Finch breeding
A pair of finches show signs of wanting to nest by sudden bursts of gathering behaviors. They will pull strings or plant leaves that they can reach. If they have nothing at all to gather, they will use feathers and bits of seed husks. Any item they can use to build a nest will be deposited in a corner of the cage floor, or in their food dish. When these behaviors are noticed a mating pair should be provided with a sturdy nest shell about the size of a large apple or orange. This shell should always be placed in the highest possible corner of the cage, opposite the food dish but near the normal night perch. Nesting finches will abandon a perch if it is across the cage with the male showing that he prefers to sit attop the nest while the female lays. During the nest building, however, both will spend the night cuddling inside the nest. When they accept the nest shell and begin using it each night, they should be provided with an ample supply of very soft bits of string and leaves. They prefer items that are only a couple of inches long and will use nearly any type and color of soft material. The nest shell will be packed with everything they can reach for at least a week before laying begins. The egg clutch (amount of babies in eggs) ranges from 3-12 eggs per egg laying period.

Males and females are very similar in size, but easily distinguished from one another as the males usually have bright orange cheek feathers, a red beak (as opposed to the orange beak of a female), and generally more striking black and white patterns. The beak is sometimes the only way to tell the gender of a Zebra Finch, as sometimes the orange cheek coloring is faded or nonexistent. Offspring from a similary colored nesting pair may sometimes vary from the parents coloration, with nestlings from plain grey to completely white. These variations are usually due to mixed breeding between finch types somewhere down the family line especially in pet store birds. However, the orange cheeks are a stubborn indication that a young Zebra Finch is indeed a male and the cheeks begin to appear when the young are about two months old. Young Zebra Finches will also have a black beak, with the coloring coming in at puberty.

A nesting pair of parents may produce as many as 5 to 12 eggs over a few days of active laying. The chicks will hatch according to the laying time of each egg. It is common to have one or two eggs remaining unhatched as the parents begin the task of feeding the nestlings. Nests should be left completely alone after the egg laying begins, and until the young begin to venture out on their own. The time from laying until a fledgling adventures outside will vary with each clutch, but it is a good rule of thumb that good eggs will hatch within five weeks of laying and young will begin to venture out within about three or four weeks of hatching. Be prepared for all the eggs to hatch, and the nest to be a very busy, crowded house for the entire nesting time. Chicks that do hatch very often thrive, even in a very crowded nest. Zebra Finch are usually excellent parents and will readily take turns sitting on the nest and bringing food to the young.

Do not remove the nest from the cage until all the young adventure out freely and join the parents in perching for the night. But owners should not leave the nest for more than a very few weeks after the family moves out, as the mother finch will begin to nest for a new clutch very quickly. While the female is laying, only her mate will be allowed in the nest. Allowing the pair to start a new family while the first clutch is still in the cage will overly stress all the birds in the family. The father bird will not allow any other birds near the nest while eggs are being laid, so the fussing and shoving will be noisy and tiring for all the birds.

Zebra Finches are generally decorative birds, and prefer to be left to their own devices. It is, however, possible to hand-tame a Zebra Finch. In order to do so successfully the finch should be very young, and it should not be provided with a mate. With a lot of time and patience a finch can be tamed almost as well as a parakeet.
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