RECORD OF ABERRANT PLUMAGE IN Cyclarhis gujanensis (AVES: VIREONIDAE) IN SOUTHERN BRAZIL [PDF]
, 2021 Cases of birds with aberrant coloring are not an uncommon sight in the wild, but they need to be documented in specialized literature. These abnormalities may be associated with distinct factors, which can be environmental, genetic, food, diseases ...
Corrêa, Luiz Liberato Costa +2 more
core +1 more source
First report of leucism in Bungarus caeruleus (Serpentes: Elapidae) from West Bengal, India [PDF]
Phyllomedusa: Journal of Herpetology, 2018 Anirban Chaudhuri +2 more
doaj +3 more sources
Leucism in the European sardine Sardina pilchardus (Clupeidae)
Ecological Indicators, 2020 Peer ...
E. González-Ortegón +3 more
openaire +2 more sources
Looking for white feathers in male western capercaillies Tetrao urogallus
Arxius de Miscel-lània Zoològica, 2023 Unusual plumage colours are of interest for environmental and evolutionary questions. This brief article reappraised information on male western capercaillies Tetrao urogallus individuals with atypical white feathers.
M. Sarasa
doaj +1 more source
A case of partial leucism in the American Barn Owl (Tyto furcata) (Temminck, 1827), from Buenos Aires province, Argentina [PDF]
, 2014 The diverse colorations of a birds’ plumage are due to either structural colors or pigments that are synthesized in specialized cells or incorporated through the diet.
Chiale, Maria Cecilia +1 more
core +5 more sources
Leucism occurrence frequency in an island population of tayra (Eira barbara), in Roraima, Brazil: A comparative analysis with camera trap records [PDF]
Acta AmazonicaCarnivores have a wide variation of color patterns that serve both ecological and physiological functions. However, genetic mutations can lead to the appearance of unusual color patterns, which can directly influence the survival of individuals.
Natusha Cacau PINHEIRO-COSTA +1 more
doaj +1 more source
Occurrence of leucism in Eira barbara (Carnivora, Mustelidae) in Brazil [PDF]
Biota Neotropica, 2017 Abstract The occurrence of anomalous coloration (albinism, leucism and melanism) in mammals is a rare phenomenon in nature, but this phenomenon has been reported for several species of mammals. In this study, we report on the occurrence of leucism in Eira barbara by examining three road-killed individuals and two sightings of live animals in Reserva ...
Talamoni, Sonia +5 more
openaire +3 more sources
A white humpback whale (Megaptera novaeangliae) in the Atlantic Ocean, Svalbard, Norway, August 2012 [PDF]
, 2013 A white humpback whale (Megaptera novaeangliae) was observed on several occasions off Svalbard, Norway, during August 2012. The animal was completely white, except for a few small dark patches on the ventral side of its fluke.
Bjarni Mikkelsen +28 more
core +2 more sources
First records of leucism in Leontocebus nigricollis graellsi (Primates: Callitrichidae)
Mammalia aequatorialis, 2022 Leucism is an atypical condition of recessive genetic origin that occurs as a consequence of mutations that affect the generation, distribution, and aggregation of the melanin pigment in the skin of many vertebrates and is particularly noticeable in mammals (Lamoreux et al., 2010). Although this condition has been frequently mentioned in various orders
Diego G. Tirira, Diego Prado-Lita
openaire +1 more source
Leucism and albinism in the rear-fanged snakes Tachymenis chilensis chilensis (Schlegel, 1837) and Tachymenis chilensis coronellina Werner, 1898 (Serpentes, Dipsadidae) [PDF]
Herpetozoa, 2021 Herein, we report the first observation of two different coloration patterns in Chilean snakes. Based on the alteration of wild coloration patterns, a juvenile specimen of Tachymenis chilensis coronellina Werner, 1898 was diagnosed with albinism and a ...
Felix A. Urra +6 more
doaj +3 more sources