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large natural geographical area. Human expansion and overpopulation has caused nearly all of the
Alagoas curassow's natural habitat to be destroyed. One potential reintroduction site has been proposed. Precautions would have to be taken in order to prevent illegal hunting of the species after reintroduction.
517:, which could lead to competition with the Alagoas curassow. A lack of genetic diversity is another potential concern. Scientists have been controlling the sexual interactions within the species by pairing certain birds together in order to reduce hybridization and maintain the original Alagoas curassow.
539:
With the objective to preserve the species and to increase genetic variability in the population, the "original" stock had their DNA examined by scientists in order to guide future pairings. Once a captive population has been successfully created, they can start being reintroduced back into the wild.
457:
As this species is extinct in the wild, the total population of 130 birds only persists in two separate captive populations. A reintroduction plan is being organized, though it faces challenges. Even if the population could be bred to healthy numbers, the species would need to be reintroduced into a
378:
Due to their absence in the wild and lack of study previously conducted on these cracids before their extinction in the wild, not much is known about their breeding habits outside of captivity. Alagoas curassow females begin reproducing at about 2 years old. In captivity, they produce about 2–3 eggs
498:
The
Alagoas curassow is known to consume a diet of fruits and nuts. Although not much information is known about this species' interactions and behavior in the wild, the stomach contents of these birds were found to contain fruits specifically from the castelo tree. It has also been said that they
319:
also has a large, bright red beak, flattened at its sides, with a white tip. The same red coloration found on its legs and feet. The tips of its tail feathers are light brown in color, with chestnut colored feathers under the tail. It has a unique grey colored, crescent-shaped patch of bare skin
290:
first identified the
Alagoas curassow in 1648 in its native range. Subsequently, the origin and legitimacy of the bird began to be questioned due to the lack of specimens. An adult female curassow was rediscovered in 1951, in the coastal forests of Alagoas. The
332:
is not pronounced: females tend to be lighter in color and slightly smaller in size. The birds can live to more than twenty four years in captivity. Video recording in captivity show that this cracid sporadically makes a high-pitched chirping sound.
508:
The lack of knowledge about their behavior in the wild makes it difficult to know how the birds interact with other species. The impact of their introduction on interactions with other species is difficult to predict. For instance, the
299:. Several authors in the 1970s brought to light the growing destruction of its habitat and the rarity of the species. Even with these concerns, the last large forest remnants which contained native
1002:
Costa, Mariellen C.; Oliveira, Paulo R. R.; Davanço, Paulo V.; Camargo, Crisley de; Laganaro, Natasha M.; Azeredo, Roberto A.; Simpson, James; Silveira, Luis F.; Francisco, Mercival R. (2017).
379:
each year. There has been a greater genetic variability amongst the
Alagoas curassow after 1990, when hybrid breeding programs were introduced; Alagoas curassows were bred with closely related
315:
The
Alagoas curassow measures approximately 83–89 centimetres (33–35 in) in length. Feathers covering its body are black and glossy, with a blue-purple hue. Specimens of
1396:
1251:
345:
population has been in captivity. The population numbered 44 in 2000, and by 2008, there were 130 birds in two aviaries. About 35% of the birds were hybrids with
1290:
674:
1225:
941:"Molecular markers contribute to a breeding programme of the extinct-in-the-wild Alagoas Curassow Mitu mitu and confirm the validity of the species"
634:
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and hunting. The last wild
Alagoas curassow was seen and killed in 1984, or possibly 1987 or 1988. The captive population has been extensively
1411:
505:. Generally, the female birds weigh less than the males and lay about 2–3 eggs a year. The average lifespan in captivity is about 24 years.
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which was published in 1648. Because of the lack of information and specimens, it was considered conspecific with the common
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The more ideal locations would be large forest remnants, such as those located at Usina Utinga-Leão and Usina Serra Grande.
482:, and there are several dozen purebred birds left. These are being maintained and bred in two privately owned professional
442:
817:"Combined Nuclear and Mitochondrial DNA Sequences Resolve Generic Relationships within the Cracidae (Galliformes, Aves)"
295:
was then accepted as a separate species. At that time fewer than 60 birds were left in the wild, in the forests around
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871:
Another case of successful interbreeding between quite distant species, as is often found in cracids. See for example
1295:
741:
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1303:
1004:"Recovering the Genetic Identity of an Extinct-in-the-Wild Species: The Puzzling Case of the Alagoas Curassow"
296:
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native habitat is subtropical/tropical moist lowland primary forest, where it was known to consume fruit of
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and "mangabeira." It is extinct and extirpated in its native range in
Alagoas and Pernambuco states,
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in Brazil mainly due to lack of official interest owing to the long-standing doubt about the
415:. Following the review of Pereira & Baker (2004), they are today believed to be a fairly
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Tramontini Grau, Erwin; Luiz
Pereira, Sérgio; Fábio Silveira, Luís; Wajntal, Anita (2003).
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926:: 132. Lynx Edicions & BirdLife International, Barcelona & Cambridge, UK.
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boundary (approximately 5 million years ago), when it became isolated in
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267:-like bird. It was formerly found in forests in Northeastern
815:
Pereira, Sérgio L.; Baker, Allan J.; Wajntal, Anita (2002).
673:
Silveira, Luís Fábio; Olmos, Fábio; Long, Adrian J (2004).
433:
in the tail tip. Its lineage has been distinct since the
328:
as its own species distinct from other curassow species.
679:(Linnaeus, 1766), the world's most threatened cracid"
279:, which is the origin of its common name. It is now
1084:
675:"Taxonomy, history, and status of Alagoas Curassow
582:10.2305/IUCN.UK.2018-2.RLTS.T22678486A132315266.en
320:covering its ears, a character not found in other
759:(2). Neotropical Ornithological Society: 227–228.
283:; there are about 130 individuals in captivity.
742:"Characteristics of the Razor-Billed Curassow (
709:
707:
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668:
666:
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8:
796:Bonafé, José de Alencar (15 December 2003).
391:The Alagoas curassow was first mentioned by
798:"Mitu mitu in captivity in Poços de Caldas"
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29:
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1397:IUCN Red List extinct in the wild species
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893:. GlobalSpecies.org. 2012. Archived from
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407:, until its rediscovery in 1951 in the
1067:Video of Alagoas curassow in captivity
419:lineage of its genus, related to the
7:
324:. The distinct coloration separates
568:IUCN Red List of Threatened Species
14:
924:In: Threatened Birds of the World
522:
95:
945:Bird Conservation International
557:BirdLife International (2018).
891:"Mitu mitu (Alagoas Curassow)"
633:Harry, Tim (6 December 2006).
1:
635:"Bird Facts Alagoas Curassow"
271:in what is now the states of
1412:Birds of the Atlantic Forest
1029:10.1371/journal.pone.0169636
974:Alagoas Curassow (Mitu Mitu)
802:The Internet Bird Collection
499:enjoy fruits from the plant
466:The Alagoas curassow became
401:Historia Naturalis Brasiliae
1432:Taxa named by Carl Linnaeus
1427:Species extinct in the wild
529:Illustration from the 1650s
1448:
1062:BirdLife Species Factsheet
922:(2000): Alagoas Curassow.
692:(2): 43–50. Archived from
958:10.1017/S0959270903003101
836:10.1080/10635150290102519
775:The Website of Everything
575:: e.T22678486A132315266.
232:
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92:Scientific classification
90:
73:
51:
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28:
23:
989:Neotropical Birds Online
1422:Birds described in 1766
1417:Endemic birds of Brazil
991:. Web. 24 October 2013.
980:. Web. 24 October 2013.
753:Ornitologia Neotropical
341:Since 1977, the entire
920:BirdLife International
719:Birdlife International
381:razor-billed curassows
861:on 10 September 2008.
740:Sick, Helmut (1980).
696:on 27 September 2007.
535:Future of the species
494:Diet and interactions
480:razor-billed curassow
405:razor-billed curassow
297:São Miguel dos Campos
263:) is a glossy-black,
897:on 24 September 2015
604:"Appendices | CITES"
511:Chamek spider monkey
453:Conservation efforts
364:Phyllanthus, Eugenia
303:were demolished for
1020:2017PLoSO..1269636C
639:Birds: Critters 360
468:extinct in the wild
368:Northeastern Brazil
355:Habitat and ecology
281:extinct in the wild
244:Linnaeus, 1766
60:Extinct in the Wild
45:Conservation status
824:Systematic Biology
771:"Alagoas Curassow"
715:"Alagoas Curassow"
645:on 29 October 2013
421:crestless curassow
286:German naturalist
1384:
1383:
1330:Open Tree of Life
1078:Taxon identifiers
935:
515:Clarisia racemosa
502:Clarisia racemosa
411:lowland forests,
330:Sexual dimorphism
251:
250:
85:
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38:Alagoas curassow
24:Alagoas curassow
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255:Alagoas curassow
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996:Further reading
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895:the original
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723:. Retrieved
718:
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643:the original
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183:M. mitu
182:
181:
169:
18:
1402:Mitu (bird)
1304:Neotropical
1239:iNaturalist
1110:Wikispecies
588:12 November
395:naturalist
311:Description
149:Galliformes
1391:Categories
1369:Xeno-canto
914:References
901:25 October
781:23 October
725:23 October
649:23 October
613:14 January
513:also eats
476:hybridized
337:Population
273:Pernambuco
78:Appendix I
1407:Curassows
1374:Mitu-mitu
1143:mitu-mitu
1130:Mitu_mitu
1116:Mitu mitu
1086:Mitu mitu
985:Mitu Mitu
686:Ararajuba
677:Mitu mitu
608:cites.org
561:Mitu mitu
544:Footnotes
478:with the
360:Mitu mitu
343:Mitu mitu
322:curassows
317:Mitu mitu
305:sugarcane
301:Mitu mitu
293:Mitu mitu
260:Mitu mitu
241:Crax mitu
201:Mitu mitu
177:Species:
115:Kingdom:
109:Eukaryota
1343:Species+
1283:22678486
1257:10218343
1169:22678486
1164:BirdLife
1095:Wikidata
1048:28056082
1008:PLOS ONE
967:86113022
877:species.
852:19977508
844:12554460
484:aviaries
439:Pliocene
387:Taxonomy
265:pheasant
227:Synonyms
209:Linnaeus
159:Cracidae
155:Family:
129:Chordata
125:Phylum:
119:Animalia
105:Domain:
65:IUCN 3.1
1309:alacur1
1231:2482280
1218:alacur1
1192:alacur1
1151:Avibase
1101:Q545554
1039:5215914
1016:Bibcode
470:due to
445:in the
443:refugia
435:Miocene
409:Alagoas
277:Alagoas
211:, 1766)
165:Genus:
145:Order:
135:Class:
80: (
63: (
1335:385229
1296:194921
1270:553817
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