(Poephila guttate castanotis)
Zebra Finch, Family of estrildid finch.
Description:
Zebra Finch is 4 inches
(10cm). Greyish-blue on head and neck, turning to duller greyish-brown
back and wings, and black tail with white diagonal bands. Bluish-grey
chest with black wavy markings, lower chest black, belly almost white.
Sides orangish-red with white round marks, white 'moustache', black band
under eye marks front edge of orange ear spots. Eyes and beak red, legs
brownish. Female grey on top with almost-white ear mark, and grey on
throat, neck, chest and sides. Immatures have dark beaks.
Distribution:
Central Australia and ranges over most of the continent, avoiding only
the cool moist south and the tropical far north. 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.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 the in 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.
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. 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. Females, as a rule, do not sing.
Male Zebra Finches begin to sing at puberty. Their song begins as a few
disjointed sounds, but as they experiment and grow 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.
Food and care:
Zebra Finches, being weaverbirds, are primarily seedeating birds, as
their beaks are best 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, one or two of these small
birds will decimate a spray millet stalk within a couple of days.
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
provided to ensure that they have enough room to fly (a large cage is
much better than a small cage), and that they have perches of several
sizes. All perches being the same size will lead to a serious foot
condition.
While Zebra Finches can survive with very little to no water, fresh
water should always be provided for them - and a dish to bathe in is
always greatly appreciated. They should always be provided with food,
however, as they have a very high metabolism and cannot survive for any
length of time without food.
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
used 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 eggs) ranges from 3-12 eggs per egg
laying period. Don't breed females until 9 to 10 months old. Separate
cocks and hens during winter, preferably indoors in unheated, frost-free
area.
Males and females are very similar in size, but easily distinguished
from one another as the males usually have bright orange cheek feathers.
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.
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 two 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.
If you have many pairs of birds you will need to band the chicks so that
you can tell who is who. You can keep track of pairing unrelated birds
when you have identification leg bands on the birds. You can use closed
bands or split bands. Closed bands need to be put on the chicks at about
8 days of age. They are permanently on the bird. Split bands are plastic
bands that are not a solid ring but have a split so they can be spread
apart and put on any age of bird. Bands come in different colors and
some have numbers.
Chicks do not hatch with the trademark orange beaks and legs. Most have
black beaks and legs. Some of the lighter color varieties have beaks
'horn' colored or a color similar to our fingernails. These colors
change to adult colors at about 5-6 weeks of age.
Chick Development Schedule:
incubation is 14 days
8 days old put on closed band
21 days old they fledge (leave the nest)
4 weeks old they start to eat on their own
5-6 weeks old the adult colors will start to develop, along with the
beak color changing to orange.
5-6 weeks old move the chicks to their own cage. They will disrupt the
next clutch process and the parents may start to pluck their feathers.
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 live to be 4-8 years of age. I have heard of birds living
to 10 and 12 years old, but I think this is rare.