Results 21 to 30 of about 856 (183)
Colour Confusion: Reviewing Ambiguities in the Identification and Classification of Chromatophore Deficiencies Among Amphibians. [PDF]
Ecol EvolThe colour of amphibian skin and eyes is the result of light interacting with multiple chromatophores (xanthophores, iridophores and melanophores), leading to challenges when trying to identify which of these cells are involved in colour abnormalities.
Gould J.
europepmc +2 more sources
The Phenomenon of Piebaldism in Sharks: A Review of Global Sightings and Patterns. [PDF]
Ecol EvolChromatic disorders like piebaldism—a rare form of leucism causing partial pigment loss—have been documented in 25 wild shark cases across 17 species and 11 families, with varying anatomical distribution. This study compiles published and unpublished records to better understand the taxonomic and geographical spread of piebaldism and its potential ...
Whitehead DA +9 more
europepmc +2 more sources
Rare Record of Albinism in a New Zealand Fur Seal (<i>Arctocephalus forsteri</i>) Pup With Observations Through the Weaning Period. [PDF]
Ecol EvolThis article provides the first known scientific record of albinism in a New Zealand fur seal pup. We describe the individual with a particular focus on its sensory abilities. This individual's birth at a central mainland colony may permit continued study throughout his life, unlike many records of similar conditions in other species.
Hall AA, Grant RA, Suzanne Weir J.
europepmc +2 more sources
New records of pigmentary abnormalities in two species of birds in Cali, Colombia
Biota Colombiana, 2021 We report two bird species with pigment anomalies, which were seen in Cali, Colombia in 2020. The individuals were, a female Shiny Cowbird (Molothrus bonariensis) with partial leucism, a female Ruddy Ground-Dove (Columbia talpacoti) with partial leucism ...
Giovanni Cárdenas Carmona +1 more
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First Record of Leucistic Jungle Babbler (Turdoides striata) from Lucknow, Uttar Pradesh
Rivista Italiana di Ornitologia - Research in Ornithology, 2023 Leucism is a genetic trait caused by a lack of melanin pigment in an animal’s skin, feathers, or fur. Unlike albinism, which is defined by a total lack of melanin synthesis, leucism is characterised by a partial loss of pigmentation.
Ankit Sinha, Preeti Gupta
doaj +1 more source
Color on color, what color is it?
Mammalogy Notes, 2023 Leucism is expressed as the almost total decoloration of certain or whole parts of the body, but preserving the typical color of eyes, nails, and skin. We show the first known case of leucism in a three-striped palm squirrel in Telangana, India. On 12th
Arockianathan Samson +2 more
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Chromatic leucism in the flap shell turtle, Lissemys punctata from Bangladesh [PDF]
Taprobanica, 2021 The spotted flap shell turtle, Lissemys punctata (Bonnaterre, 1789) has a distribution in Bangladesh, India, Myanmar, Nepal and Pakistan. In Bangladesh, this species is widely distributed throughout the freshwater wetlands and the low-lying floodplains, coastal islands, and hill districts.
M.F. Rabbe +5 more
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Mammalogy Notes, 2023 Phenotypic variation is common in vertebrates, especially if we consider geographic variations, however, mutations such as leucism, melanism, and albinism are not so common.
Victor Leandro-Silva +6 more
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Runs of Homozygosity and Inferences in Wild Populations. [PDF]
Mol EcolABSTRACT Long homozygous chromosome segments are known as runs of homozygosity (ROH); these reflect patterns of identity by descent and can be used to measure individual inbreeding, map recessive traits, and reconstruct demographic histories. Here, we review some key considerations with ROH detection and the inferences pertaining to inbreeding and ...
Shafer ABA, Kardos M.
europepmc +2 more sources
Leucism in Akodon affinis (Allen, 1912) (Rodentia: Cricetidae) [PDF]
Therya, 2017 Leucism is a condition where animals show a loss of pigments on certain parts of their skin, without affecting soft tissue, a condition that has been poorly reported for Neotropical rodents. Therefore, our goal was to report leucism for Akodon affinis, an endemic species from Colombia, and to analyze the pattern of leucism prevalence in different ...
Sebastián Montoya-Bustamante +2 more
openaire +1 more source