Replacement and growth of primary feathers in captive rock pigeons, Columba livia (Aves: Columbidae)

Mallet-Rodrigues, Francisco

doi:10.1590/s1984-46702012000200004

Cited by 7 publications

(7 citation statements)

References 20 publications

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“…Males added 19.5 mm/d and females added 15.7 mm/d to the total length of all primaries during this linear growth phase. This equates to an average per-primary growth rate of 4.4 mm per day for females and 5.5 mm per day for males, which is similar to the 4-5 mm per primary remex per day reported for molt in other species (Dawson 2003, Mallet-Rodrigues 2012.…”

Section: Figsupporting

confidence: 72%

Flight Feather Molt in Yellow-Headed Blackbirds (Xanthocephalus xanthocephalus) in North Dakota

Twedt

Linz

2015

The Wilson Journal of Ornithology

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Yellow-headed Blackbirds (Xanthocephalus xanthocephalus) in central North Dakota undergo prebasic molt or prejuvenile molt during late summer. Nestling Yellow-headed Blackbirds initiate a complete prejuvenile molt, grow their primary and secondary regimes in about 40 days, completing molt after they leave the nest by the first week in August. Remiges are not replaced during the subsequent preformative molt, being retained until the second prebasic molt. Nonlinear (logistic) regression of primary remex growth during definitive prebasic molts of Yellow-headed Blackbirds indicated 38 days were required to complete the linear phase of growth (between 10% and 90% of total primary length). Males added 19.5 mm/d and females added 15.7 mm/d to the total length of all primaries during this linear growth phase; an average of 4-5 mm per primary remex per day. Definitive prebasic molting of primary remiges in males and females was initiated in late June, after nesting and brood rearing were completed. Molts of Yellow-headed Blackbirds were completed by early September, before birds emigrated from North Dakota during mid-September. Because of their comparatively early completion of molt and emigration from the state, as well as their more diverse diet, agricultural depredation caused by Yellow-headed Blackbirds in North Dakota is likely less than that of Red-winged Blackbirds and Common Grackles.

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Section: Figsupporting

confidence: 72%

Flight Feather Molt in Yellow-Headed Blackbirds (Xanthocephalus xanthocephalus) in North Dakota

Twedt

Linz

2015

The Wilson Journal of Ornithology

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“…In one of the authors’ experience, and likewise noted by colleagues, manually pulling damaged feathers can induce feather regrowth, even outside of the natural moulting period 42 43. A study in rock pigeons reported that primary flight feathers accidentally pulled during handling typically began to regrow within 8 days 44…”

Section: Discussionmentioning

confidence: 89%

“…42 43 A study in rock pigeons reported that primary flight feathers accidentally pulled during handling typically began to regrow within 8 days. 44 In an attempt to accelerate the rehabilitation process, the feather-pull method of moult induction was utilised for several secondary covert feathers in the GHOW in our study but failed to stimulate regrowth. Although feather pulling often induces regeneration, it may also produce the opposite effect.…”

Section: Outcome and Follow-upmentioning

confidence: 90%

Successful resection of an osteoma in a great horned owl (Bubo virginianus) with subsequent lack of regional feather regrowth

Barbosa¹,

Tom²,

Han

2019

Vet Record Case Reports

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A free-living adult great horned owl (Bubo virginianus) was presented to a wildlife rehabilitation centre in Southern California with a firm, pedunculated mass arising from the caudal-dorsal border of the left ulna. Two secondary covert feathers were incorporated into the mass and multiple secondary flight and covert feathers adjacent to the mass were broken. Radiographs revealed a calcified mass with no cortical involvement. The mass was surgically removed. Histopathology was consistent with a diagnosis of osteoma. Despite tumour removal, the owl sustained a significant flight impairment resulting from lack of regional feather regrowth. Waiting for a natural moult to take place would likely require 9–12 months. An attempt was made at inducing moult by manually pulling feathers but was not successful. As the rehabilitation facility was space limited and the bird was behaviourally a poor candidate for long-term rehabilitation, humane euthanasia was elected.

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“…In general terms, turtle doves nest in trees or bushes in a landscape characterized by a patchy habitat mosaic of open land, nearby to wooded areas and an adjacent water source (Lutz 2007;Fisher et al 2018). Habitat selection patterns and habitat requirements were investigated by numerous studies mainly based on observational absence and presence data (Supplementary Table 4).…”

Section: Breeding and Wintering Areasmentioning

confidence: 99%

Year-round spatial distribution and migration phenology of a rapidly declining trans-Saharan migrant—evidence of winter movements and breeding site fidelity in European turtle doves

Schumm

Metzger²,

Neuling

et al. 2021

Behav Ecol Sociobiol

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Populations of migratory bird species have suffered a sustained and severe decline for several decades. Contrary to non-migratory species, understanding the causal mechanisms proves difficult (for migratory bird species) as underlying processes may operate across broad geographic ranges and stages of the annual cycle. Therefore, the identification of migration routes, wintering grounds, and stopover sites is crucial for the development of relevant conservation strategies for declining migrant bird species. We still lack fundamental data of the non-breeding movements for many migratory species, such as European turtle doves Streptopelia turtur, a trans-Saharan migrant. For this species, knowledge of non-breeding movements is mainly based on ringing data that are limited by a low recovery rate in Africa, and tracking studies with a strong bias towards individuals breeding in France. We used Argos satellite transmitters to obtain detailed year-round tracks and provide new insights on migration strategies and winter quarters, of turtle doves breeding in Central and Eastern Europe. The tracking data along with analysis of land cover data confirm previously assumed use of multiple wintering sites and the use of a wide range of forest and agricultural landscapes at the breeding grounds. Tracking data in combination with environmental parameters demonstrated that most environmental parameters and niche breadth differed between breeding and wintering grounds. “Niche tracking” was only observed regarding night-time temperatures. Furthermore, we provide evidence for breeding site fidelity of adult individuals and for home range size to increase with an increasing proportion of agricultural used areas. Significance statement The European turtle dove, a Palearctic-African migrant species, is one of the fastest declining birds in Europe. The rapid decline is presumed to be caused mainly by habitat modification and agricultural changes. Here, we represent data on migration strategies, flyways, and behavior on European breeding and African non-breeding sites of turtle doves breeding in Central and Eastern Europe equipped with satellite transmitters. Our results confirm the use of different migration flyways and reveal an indication for “niche switching” behavior in terms of environmental factors during the different annual phases. The migratory behaviors revealed by the tracking approach, e.g., prolonged stopovers during autumn migration in Europe overlapping with time of hunting activities, stopovers in North Africa during spring migration, or evidence for loop migration, are important protection-relevant findings, particularly for the Central-Eastern flyway, for which no tracking data has been analyzed prior to our study.

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Replacement and growth of primary feathers in captive rock pigeons, Columba livia (Aves: Columbidae)

Cited by 7 publications

References 20 publications

Flight Feather Molt in Yellow-Headed Blackbirds (Xanthocephalus xanthocephalus) in North Dakota

Flight Feather Molt in Yellow-Headed Blackbirds (Xanthocephalus xanthocephalus) in North Dakota

Successful resection of an osteoma in a great horned owl (Bubo virginianus) with subsequent lack of regional feather regrowth

Year-round spatial distribution and migration phenology of a rapidly declining trans-Saharan migrant—evidence of winter movements and breeding site fidelity in European turtle doves

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