Helmeted manakin

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Helmeted manakin
Helmeted Manakin (Antilophia galeata) female.jpg
Female
Antilophia galeata -Reserva Ambiental, Piraju, Sao Paulo, Brasil -male-8.jpg
Male
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Pipridae
Genus: Chiroxiphia
Species:
C. galeata
Binomial name
Chiroxiphia galeata
Antilophia galeata map.svg

The helmeted manakin (Chiroxiphia galeata) is a species of small passerine bird in the manakin family Pipridae. Unlike most manakins, a family associated with tropical rainforests, the helmeted manakin inhabits the seasonally dry Cerrado savanna of Central Brazil.

Contents

Taxonomy

The helmeted manakin was formally described in 1823 by the German naturalist Hinrich Lichtenstein from specimens collected near São Paulo in Brazil. He coined the binomial name Pipra galeata. [2] [3]

The helmeted manakin was placed together with the critically endangered Araripe manakin in the genus Antilophia that was introduced by Ludwig Reichenbach in 1850. [4] Antilophia were considered very closely related to Chiroxiphia , another genus of manakin which inhabit rainforests in Central and South America, and there is possible hybridization between them. [5] Therefore, the two species were transferred to the genus Chiroxiphia. [6] The helmeted manakin is monotypic: no subspecies are recognised. [6]

Description

The helmeted manakin has sexually dysmorphic plumage. Both males and females are adorned with a feathered crest at the crown of the head. [7] Females and immature males sport a uniform dull-green plumage similar to other female Pipridae. [8] Males are a glossy black with a striking red crest that stretches across the mantle, nape and crown. [5] Subadult males have green plumage with the characteristic black and red colors of the adult male sprouting up in patches. [9]

The helmeted manakin has a sonorous song that has been likened to that of a cotinga. [9] [10] The male song is a whistle composed of eight notes. [9] The song is loud enough to be perceived by the human ear up to 100m away in the forest. [9] Males sing year-round, but song-intensity is highest from July to November. [9]

Distribution and habitat

Helmeted manakins are endemic to the Cerrado savanna ecosystems of central Brazil as well as pockets in northeast Paraguay and Bolivia. [7] [8] They are often found near bodies of water in gallery forests. [8] [11] The seasonally dry Cerrado is an unusual habitat for Pipridae, a family that typically occupies lush rainforests. [8] Within its atypical habitat the Helmeted manakin is fairly abundant. [5] Although its populations are on the decline, due to its large distribution the Helmeted manakin is considered of least concern by the IUNC. [12]

Behaviour

Diet

Like most Pipridae the helmeted manakin is primarily a frugivorous species, though populations in gallery forests near Capetinga, Brazil have been documented gleaning and sallying insects. [8] [13] Helmeted manakins have been observed participating in mixed-species flocks with other passerine birds. [8] Fruit availability in the Cerrado savanna ecosystems is highly seasonal; fruiting peaks in the wet season, and diminishes by 80% in the dry season. [11] Accordingly, the foraging habits of helmeted manakins vary seasonally. In the wet season they forage primarily in the canopy and are selective in their choice of fruit, preferentially foraging for the highest quality fruit. [11] In the dry season they forage in the understory and are less choosy about the fruit species that they consume. [11] Helmeted manakins are important seed dispersers for a number of fruiting plants in the Cerrado. [13]

Breeding

The reproductive period for males stretches from July to December, with a peak in singing intensity and courtship displays in August and September. [9] Female reproductive period begins in August and ends in December. [9] Like many Pipridae, males and females are non-monogamous and can have multiple mates. [14] During the breeding season males frequent multiple leks to perform for different females. [14] Mixed-paternity has been documented in chicks from the same nest, indicating females may choose multiple mates. [14]

In the wet season males establish feeding territories and defend them from other males. [11] In the dry season, when food is less abundant, territorial boundaries dissipate and home range overlap between individuals increases. [11] Subadult males occasionally sing and engage in territorial behaviour. [9] Home ranges of males and females are large (on average 16 to 20 hectares during the breeding season) and overlap considerably with one another. [14] [10]

Like all members of Pipridae male helmeted manakins gather in leks during the mating season where they perform a courtship display for an onlooking female. [14] The female helmeted manakin initiates the courtship display with short call. [14] [5] Up to six prospective males gather in a single lek in the forest canopy. [14] The helmeted manakin's mating display is unusually subdued for a Pipridae, a family characterized by their complex and flashy courtship performances. The male birds initiate a series of chase-flights, during which they disappear into the canopy in mutual pursuit. [9] After completing a circuit the males return to the lek before repeating the chase-flight performance again. [14] [9] Subadult males have been observed participating in courtship displays. [14]

Nests are bowl-shaped and assembled from twigs and roots. [9] The outside of the nest is decorated with dry leaves while the inside is lined with shitaki fungus. [5] [9] Nests are typically constructed up to 3m off the ground in shrubs or other vegetation. [5] Nests are usually secured within a forked branch and are attached using spider silk. [5] Clutches always consist of two eggs, which are yellowish-white in colour with irregular spots, blotches or streaks. [5] Males contribute no parental care; females are solely responsible for constructing and cleaning the nest. [14] [5]

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<span class="mw-page-title-main">Golden-headed manakin</span> Species of bird

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<span class="mw-page-title-main">Pin-tailed manakin</span> Species of bird

The pin-tailed manakin is a suboscine species of bird within the manakin family, Pipridae. This species is endemic to the Eastern coast of Brazil within the humid Atlantic Forest, and its range extends from the State of Bahia to the State of Rio Grande Do Sul. The pin-tailed manakin is monotypic within the genus Ilicura, and has no known subspecies. It is a relatively small species that has pronounced sexual dimorphism. Male birds of this species have a bright white neck, chest, auriculars, and flanks. They have black and dark-green wings, with a signature pin shape tail that has a small fork near the tip, helping to give it its common name in English. The males are most easily identified by their characteristically vibrant red fore-crown and rump. The females of this species are a muted green, except for their neck and auriculars—which are light grey, and their cream-colored chest. Both male and female birds of this species share a slightly elongated head shape that gives them a distinguished raised forehead. The pin-tailed manakin's vocalizations are quiet, but resemble a high-pitched “see-see-see” in descending tones.

<span class="mw-page-title-main">Blue-capped manakin</span> Species of bird

The blue-capped manakin is a species of bird in the family Pipridae. The males have a brilliant blue cap; some have black, others have green body plumage, but the relationship between the subspecies is not well understood.

<span class="mw-page-title-main">Kinglet manakin</span> Species of bird

The kinglet manakin or eastern striped manakin is a small South American species of passerine bird in the manakin family Pipridae. It is found in the Atlantic Forest of south eastern Brazil. It was formerly considered conspecific with the striolated manakin with the common name "striped manakin". Males have a bright red crown, which the females lack.

References

  1. ↑ BirdLife International (2018). "Antilophia galeata". IUCN Red List of Threatened Species . 2018: e.T22701068A130269766. doi: 10.2305/IUCN.UK.2018-2.RLTS.T22701068A130269766.en . Retrieved 11 November 2021.
  2. ↑ Lichtenstein, Hinrich (1823). Verzeichniss der Doubletten des Zoologischen Museums der Königl. Universität zu Berlin : nebst Beschreibung vieler bisher unbekannter Arten von Säugethieren, Vögeln, Amphibien und Fischen (in German). Berlin: T. Trautwein. p. 28.
  3. ↑ Traylor, Melvin A. Jr, ed. (1979). Check-List of Birds of the World. Vol. 8. Cambridge, Massachusetts: Museum of Comparative Zoology. pp. 254–255.
  4. ↑ Reichenbach, Ludwig (1850). Avium Systema Naturale (in German). Vol. 1. Dresden and Leipzig: Expedition Vollständigsten Naturgeschichte. Plate LXIII.
  5. 1 2 3 4 5 6 7 8 9 de Freitas Marçal, Bráulio; Esteves Lopes, Leonardo (2019). "Breeding biology of the Helmeted Manakin Antilophia galeata in an ecotone between the Atlantic Forest and the Cerrado". Revista Brasileira de Ornitologia. 27 (1): 1–9. doi: 10.1007/BF03544440 .
  6. 1 2 International Ornithologists' Union. Gill, Frank; Donsker, David; Rasmussen, Pamela (eds.). "IOC World Bird List 14.1" (xlsx). Retrieved 2023-12-20.
  7. 1 2 "Helmeted Manakin - eBird". ebird.org. Retrieved 2020-10-15.
  8. 1 2 3 4 5 6 Marini, Miguel Ângelo (1992). "Foraging behavior and diet of the helmeted manakin" (PDF). The Condor. 94 (1): 151–158. doi:10.2307/1368804. JSTOR   1368804.
  9. 1 2 3 4 5 6 7 8 9 10 11 12 Marini, Miguel Ângelo (1992). "Notes on the breeding and reproductive biology of the helmeted manakin" (PDF). The Wilson Bulletin. 104 (1): 168–173. JSTOR   4163127.
  10. 1 2 Marini, Miguel Ângelo; Cavalcanti, Roberto Brandão (1992). "Mating system of the helmeted manakin (Antilophia galeata) in central Brazil". The Auk. 109 (4): 911–913. doi: 10.2307/4088172 . JSTOR   4088172.
  11. 1 2 3 4 5 6 Pires, Luis Paulo (2020). "Individual–resource networks reveal distinct fruit preferences of selective individuals from a generalist population of the Helmeted Manakin". Ibis. 162 (3): 713–722. doi:10.1111/ibi.12794. S2CID   208594018.
  12. ↑ International), BirdLife International (BirdLife (2018-08-06). "IUCN Red List of Threatened Species: Antilophia galeata". IUCN Red List of Threatened Species. Retrieved 2020-10-15.
  13. 1 2 Silva, Adriano M.; de Melo, Celine (2011). "Frugivory and seed dispersal by the helmeted manakin (Antilophia galeata) in forests of Brazilian Cerrado". Ornitologia Neotropical. 22 (1): 69–77.
  14. 1 2 3 4 5 6 7 8 9 10 de Freitas Marçal, Bráulio (2019). "Non-monogamous mating system and evidence of lekking behaviour in the helmeted manakin (Aves: Pipridae)". Journal of Natural History. 53 (39–40): 2479–2488. doi:10.1080/00222933.2019.1704899. S2CID   213294370.
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