Results 101 to 110 of about 429 (149)

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, María Cecilia, Pagano, Luis Gerardo   +1 more
core   +1 more source

The First Records of Albinism in Several Colubridae Species in Ukraine

Zoodiversity
Abnormal colouration in reptiles, such as melanism, albinism and leucism, provides important insights into ecological stress, genetic variability and population dynamics in reptiles, a group of vertebrates that reacts to various environmental stresses ...
O. Yu. Marushchak, N. A. Smirnov, T. Yu. Hrynchyshyn, O. D. Nekrasova, N. P. Koval, O. Ya. Horbey, V. A. Bakun, M. Pupins, H. I. Mykytynets, M. Vlašín, O. S. Shorokhov, V. O. Shevchuk, I. G. Khomyn, J.-Y. Georges   +13 more
doaj   +1 more source

A case of leucism in the western bluebird (\u3ci\u3eSialia mexicana\u3c/i\u3e)

, 1988
Leucism in the western bluebird (Sialia mexicana) is reported from La Plata County ...
Ellis, Kevin L., Parrish, Jimmie R.
core  

Color aberration in malachite kingfishers: Insights from community science observations in Queen Elizabeth National Park, Uganda

Ecology and Evolution
Color aberrations in birds corresponds with important ecological functions, including thermoregulation and physiological impacts, camouflage and increased predation, and social interactions with conspecifics. Color aberrations in birds have been reported
Bethany H. Warner, Katherine C. B. Weiss, Maximilian L. Allen   +2 more
doaj   +1 more source

Leucism recording and skin alterations in the Arabian tadpole (Sclerophrys arabica) (Heyden, 1827) in AlUla, Saudi Arabia

The European Zoological Journal
Leucism is a colour aberration that results from a lack of melanin and alteration in the development or distribution of chromophores. The study records for the first time the occurrence of leucistic larvae of Arabian toad (Sclerophrys arabica) in AlUla ...
R. M. Alansari, A. A. Seleem, F. M. Lashein, A. A. Ahmed   +3 more
doaj   +1 more source

Two new reports of leucistic birds from Mexico

Huitzil
We present two new records of leucism in two bird species from two locations in Mexico. First, we report one leucistic Barn Swallow (Hirundo rustica); the individual was a nestling observed between 15 July and 6 August 2010, in a suburban area of ...
Oscar Francisco Reyna Bustos, Omar Suarez-García   +1 more
doaj   +1 more source

First record of partial albinism in two catfish species of Genidens (Siluriformes: Ariidae) in an estuary of Southern Brazil

Brazilian Archives of Biology and Technology, 2013
This study reports the first occurrence of partial albinism in two species of Ariidae: Genidens barbus and Genidens planifrons from an estuary of Southern Brazil. Possible causes of the simultaneous occurrence of three specimens with partial albinism are
Mateus Evangelista Leal, Uwe Horst Schulz, Pablo Lehmann Albornoz, Rodrigo Machado, Paulo Henrique Ott   +4 more
doaj  

Breeding pairs with color aberrations in oriental reed warblers

Ecology and Evolution
In 2017, one pair of Oriental reed warblers (Acrocephalus orientalis) with color aberrations was found in Yongnianwa National Wetland Park, Hebei, China. The female bird exhibited white feathers on the head, neck, and upper back, and the base of the beak
Laikun Ma, Peng Pan, Wei Liu, Jianhua Hou, Wei Liang   +4 more
doaj   +1 more source

Leucism in a commercially important monotypic marine teleost, the Cobia Rachycentron canadum (Linnaeus, 1766)

Acta Zoológica Lilloana
We report the first confirmed case of leucism in wild cobia (Rachycentron canadum), a widely distributed and economically significant marine teleost, from the southwest coast of India.
Pathissery John Sarlin, Sandie Morris, Sancia Morris , Savio Morris , Polycarp Joseph, Lijin Gopi   +5 more
doaj   +1 more source

First record of leucism in Cerdocyon thous (Linnaeus, 1766) (Carnivora: Canidae) in Brazil

, 2019
Polymorphic variations may act on chromatic alterations, which in excess cause hyperpigmentation (melanic individuals), and when deficient are responsible for hypopigmentation (albinism, leuctic or piebald individuals) and may be associated with ecological aspects, physiology and other biological processes. In Brazil, leucism has been observed in a few
Oliveira, Leandro da Silva, Gomes Varjão, Iardley Cícero, Machado Pereira, Luiz Cezar, Nicola-Pereira, Patrícia Avello   +3 more
openaire   +2 more sources