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Home -> Kingdom Animalia -> Phylum Chordata -> Subphylum Vertebrata -> Class Aves -> Order Passeriformes -> Family Estrildidae -> Species Amandava amandava

Amandava amandava
red avadavat



2009/11/22 01:32:28.938 US/Eastern

By Sarah Weitzel

Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Aves
Order: Passeriformes
Family: Estrildidae
Genus: Amandava
Species: Amandava amandava

Geographic Range

Red avadavats can be found throughout southern and southeastern Asia, from India to the Malay Peninsula and surrounding islands. These birds have been successfully introduced to the Philippines, Japan, Puerto Rico, and Hawaii. (Goodwin, 1982)

Habitat

Red avadavats are found in grassy areas, such as jungle clearings, gardens, and meadows. They also frequent sugarcane fields and areas near bodies of water, such as marshes. Red avadavats are accustomed to tropical temperatures and will lose plumage intensity in cooler, dryer environments. ("avadavat", 2009; Finchinfo.com, 2009; Goodwin, 1982)

These animals are found in the following types of habitat:
tropical ; terrestrial .

Terrestrial Biomes:
savanna or grassland .

Wetlands: marsh .

Physical Description

Length
10.16 cm (high)
(4 in)


Wingspan
49 mm (average)
(1.93 in)


Red avadavats are about 10.16 centimeters in length (3 to 4 inches). ("avadavat", 2009)

Males and females molt into breeding plumage each year. During the breeding season males have a deep red crown and back, and there are white streaks under the eyes. The sides of the head, down the breast and the undersides are scarlet. The wings, tail overfeathers, and flanks are dark red with white spots. The tail feathers are black. The beaks of the males are red. When females go into the breeding season they often molt and the chest and underbelly become a brighter yellow-orange. (Finchinfo.com, 2009; Goodwin, 1982; Harrison, 1962)

At the end of the breeding season, males begin to molt to a plumage that resembles the coloration of females. The color of the underbelly ranges from a creamy tan to creamy yellow, and there are black streaks under the eyes. The crown, back, wings and tail are dark brown with fewer white spots than males in breeding season. Juveniles of this species are dull grayish brown all over. This is the first molt from the nestling stage. Nestlings are marked by dark skin and down, and have markings around the mouth. (Goodwin, 1982)

Red avadavats have been introduced into many countries as a cage bird. Under poor conditions, plumage coloring loses its intensity. When they are kept at warm temperatures (40 degrees Celsius), kept in sunlight, and fed appropriately, the plumage will remain bright. (Goodwin, 1982)

Some key physical features:
endothermic ; homoiothermic; bilateral symmetry .

Sexual dimorphism: sexes colored or patterned differently, male more colorful.

Reproduction

Breeding interval
Red avadavats breed once a year.

Breeding season
Breeding can occur from January to April, varying regionally.

Eggs per season
4 to 6

Time to hatching
11 days (average)

Time to fledging
20 days (average)

Male red avadavats use their bright red plumage in addition to a mating dance to attract females. The dance begins with males, a grass stem or feather in their mouth, deeply bowing with feathers erect. Usually the birds sing and hop between bows. Both males and females display. When the birds have paired, they separate from the larger group to build a nest. Red avadavats are monogamous within a breeding season, but no information could be found on potential life long monogamy. (Goodwin, 1982; Harrison, 1962; Langham, 1987)

In captive birds, males who are paired will mimic a display similar to begging of fledging young followed by an attack if a female or other bird comes too close. Females will display aggression against other females as well as brown males if a male in breeding plumage is present. (Goodwin, 1982)

Mating systems:
monogamous .

Red avadavats breed in the second half of the rainy season and into the following dry season. Breeding months vary regionally. Males begin molting into their bright red plumage as the breeding season begins. Out of the breeding season, males often do not entirely lose their red plumage before beginning molting for the breeding season. Breeding pairs have between 4 to 6 eggs in a clutch. The eggs take around 11 days to hatch; hatchlings take around 20 days to fledge. (Goodwin, 1982; Langham, 1987)

Key reproductive features:
iteroparous ; seasonal breeding ; gonochoric/gonochoristic/dioecious (sexes separate); sexual ; oviparous .

The eggs of Amandava amandava are incubated by both parents during the day. Females usually take over at night. Before fertilization, both males and females collect grass and sticks to create a nest. The nest is lined with soft feathers, tree cotton (found inside seed pods of trees of genus Bombax) and grass. Parents exhibit aggressive behaviors if another bird of the same or a different species gets too close to the nest. Both parents feed nestlings. If females produce another clutch before the first set of young are able to care for themselves, males will take charge of feeding the young. (Finchinfo.com, 2009; Goodwin, 1982)

Parental investment:
altricial ; pre-fertilization (provisioning, protecting: female); pre-hatching/birth (provisioning: female, protecting: male, female); pre-weaning/fledging (provisioning: male, female, protecting: male, female).

Lifespan/Longevity

No information could be found on lifespan in natural or captive environments. (Goodwin, 1982)

Behavior

When not in the breeding season, red avadavats stay in large social flocks of up to 100 birds. The term for this gathering is clumping. During this time they engage in social preening (grooming) which may serve to create and maintain bonds. Allopreening is also common among breeding pairs and between non-breeding males and females. However, mated males and females show aggression towards other conspecific males and females. Red avadavats can perch upright between two vertical posts. This is a product of having a large grip and ability to extend the legs in opposite directions. (Goodwin, 1982; Harrison, 1962; Sparks, 1963)

Nestlings often perform a "begging" behavior for food. They may perform a variety of behaviors from simply opening their mouths in a resting posture to wing fluttering. Adults will not usually adopt fledglings in the wild, unless their own fledglings are ready to leave the nest. (Goodwin, 1982)

Home Range

Little information can be found on the home range of red avadavats in nature. They are not a migratory bird. Red avadavats protect the nest, but when not in the breeding season they live in large groups. They nest and remain close to the ground, generally. (Goodwin, 1982)

Key behaviors:
terricolous; flies; diurnal ; motile ; sedentary ; social .

Communication and Perception

Red avadavats have long vocalizations used as location calls. Females have a shorter, softer version of the call, and use it less often. Both males and females of the species use voclizations during mating displays. At the start of the breeding season, males change their plumage from brown to red. When red avadavats are displaying aggressive behaviors they will use a shrill call. A higher pitched call is used when members of the species perceive danger to their young. Young learn songs from their fathers while in the nest. (Goodwin, 1982; Harrison, 1962)

Communicates with:
visual ; acoustic .

Perception channels:
visual ; tactile ; acoustic ; chemical .

Food Habits

Red avadavats feed on a variety of food sources. In captivity red avadavats prefer seeds from sprouting millet. When feeding young, they prefer ant larvae and pupae, centipedes and caterpillars. They are known mainly as ground feeders. (Finchinfo.com, 2009; Goodwin, 1982)

Primary Diet:
herbivore (granivore ); omnivore .

Animal Foods:
insects.

Plant Foods:
seeds, grains, and nuts.

Predation

To protect against predation, red avadavats stay in large groups, especially during the non-breeding season. Also, when they are alarmed, they move their tails from side to side and at a down angle. During the non-breeding season, brightly colored males lose their plumage and become brown, much like the females. This brown plumage may serve as camouflage during the dry season. Both breeding and non-breeding birds use a shrill call if they perceive danger, warning other group members. There is little information on predators of red adavavats. (Goodwin, 1982; Harrison, 1962; Sparks, 1963)

Anti-predator adaptations::
cryptic .

Ecosystem Roles

Because red avadavats feed on seeds and small insects, they likely have a role in seed dispersal as well as pest control. They are also prey for larger predators. There is little additional information on the roles red avadavats have on the ecosystem. (Finchinfo.com, 2009)

Key ways these animals impact their ecosystem:
disperses seeds.

Economic Importance for Humans: Negative

There are no known adverse affects of Amandava amandava on humans.

Economic Importance for Humans: Positive

Red avadavats are popular cage birds. Common names in the pet trade are strawberry finch or strawberry waxbill. The name originates from the scarlet red of the neck, chest, and underbelly, as well as their white spots. (Goodwin, 1982)

Ways that people benefit from these animals:
pet trade .

Conservation Status

IUCN Red List: [link]:
Not Evaluated.

US Migratory Bird Act: [link]:
No special status.

US Federal List: [link]:
No special status.

CITES: [link]:
No special status.

State of Michigan List: [link]:
No special status.

According to the IUCN Red List red avadavats are an animal of least concern because of their large population size and large geographic range.

For More Information

Find Amandava amandava information at

Contributors

Sarah Weitzel (author), James Madison University. Suzanne Baker (editor, instructor), James Madison University.
Tanya Dewey (editor), Animal Diversity Web, University of Michigan Museum of Zoology.

References

2009. "avadavat" (On-line). Encyclopædia Britannica. Accessed April 11, 2009 at http://www.britannica.com/EBchecked/topic/45341/avadavat.

Finchinfo.com. 2009. "Red Avadavat" (On-line). Finch Information Center. Accessed April 11, 2009 at http://www.finchinfo.com/birds/finches/species/red_avadavat.php.

Goodwin, D. 1982. Estrildid Finches of the World. Ithaca, New York: Cornell University Press.

Harrison, C. 1962. The Affinities of the Red Avadavat, Amandava amandava. Bulletin of the British Ornithologists’ club, 82/ 7: 126-132.

Langham, N. 1987. The Annual Cycle of the Avadavat Amandava amandava in Fiji. The Emu; Official Organ of the Australasian Orinthoughogists’ Union, 87: 232-243.

McGrawa, K., J. Schuetzb. 2004. The Evolution of Carotenoid Coloration in Estrildid Finches:. Comparative Biochemistry and Physiology, B139: 45-51. Accessed April 06, 2009 at http://74.125.93.104/search?q=cache:m9NXDsTh-DEJ:www.public.asu.edu/~kjmcgraw/pubs/CBPB04b.pdf+The+evolution+of+carotenoid+coloration+in+estrildid+finches:a+biochemical+analysis&cd=1&hl=en&ct=clnk&gl=us.

Sparks, J. 1963. Social Structure of the Red Avadavat (Amandava amandava) With Particular Reference to Clumping and Social Preening. Animal Behaviour, 11/ 2/3: 407-408.

2009/11/22 01:32:30.176 US/Eastern

To cite this page: Weitzel, S. and S. Baker. 2009. "Amandava amandava" (On-line), Animal Diversity Web. Accessed November 25, 2009 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Amandava_amandava.html.

Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students. ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control.

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