Results 71 to 80 of about 1,786 (206)

Habitat Protection Alone Is Insufficient: Costa Rican Parrots Thrive in Altered Landscapes but Remain Vulnerable to Poaching

Diversity and Distributions, Volume 31, Issue 9, September 2025.
ABSTRACT Aim Human population growth and resource overexploitation have induced major changes in global biodiversity. Costa Rica, with 26% of its land area protected, is often cited as a model of environmental conservation. However, conservation efforts have largely focused on habitat preservation, while overharvesting remains an unquantified factor in
P. Romero‐Vidal, J. M. Barbosa, G. Blanco, F. Hiraldo, M. Carrete, J. L. Tella   +5 more
wiley   +1 more source

Intratumoral chemotherapy in an integumentary squamous cell carcinoma in a cockatiel (Nymphicus hollandicus) [PDF]

, 2018
An eight-year-old, female cockatiel (Nymphicus hollandicus) was presented with anorexia, lethargy, a mass at the lower side of the wing and discoloration of the feathers.
Antonissen, Gunther, Croubels, Siska, Ducatelle, Richard, Garmyn, An, Hellebuyck, Tom, Martel, An, Van de Maele, Isabel, Van Hecke, Naomi   +7 more
core  

Age Difference, Not Food Scarcity or Sibling Interactions, May Drive Brood Reduction in Wild Scarlet Macaws in Southeastern Peru

Diversity
Avian brood reduction was initially thought to be driven by insufficient food supply. Now it is more commonly considered a consequence of asynchronous hatching and resulting siblicide, direct filial infanticide (where parents kill specific chicks) or ...
Gabriela Vigo-Trauco, Gustavo Martínez-Sovero, Donald J. Brightsmith   +2 more
doaj   +1 more source

Comparison of Electrophoretic and Bromocresol Green Albumin Methods in Chickens and Other Veterinary Species

Veterinary Clinical Pathology, Volume 54, Issue 2, Page 171-181, June 2025.
ABSTRACT Background The bromocresol green albumin assay (ALBBCG) has been used in birds and reportedly is noncomparable with electrophoretic albumin (ALBPE) in many species. It is accepted for use in some species and rejected in others. Objectives We aimed to compare the performance of ALBPE and ALBBCG methods within backyard chickens and compare the ...
Jeffrey Brandon, Heather Reider, Kristy L. Pabilonia, A. Russell Moore   +3 more
wiley   +1 more source

Molecular Detection and Genotyping of Chlamydia psittaci in Captive Psittacines from Costa Rica

Veterinary Medicine International, 2013
Oropharyngeal and cloacal swabs from 117 captive psittacine birds presented at veterinary clinics (88) and from shelters/rescue centers of wildlife (29) were collected to determine the prevalence of C. psittaci in captive birds in Costa Rica.
Jessica Sheleby-Elías, Ántony Solórzano-Morales, Juan José Romero-Zuñiga, Gaby Dolz   +3 more
doaj   +1 more source

Property rights and wildlife utilisation : generating incentives for conservation and economic development : a thesis presented in partial fulfilment of the requirements for the degree of Master of Arts in Economics at Massey University [PDF]

, 1999
The accelerating depletion of natural resources (biological diversity) range from degraded ecosystems, endangered species, and loss of genetic resources. This depletion has raised concern over future human economic welfare among other things Conservation
Bullen, Philip
core  

Psittacosis in Focus: A Review Addressing the Risks and Management Challenges in Outbreak Scenarios

Health Science Reports, Volume 8, Issue 5, May 2025.
ABSTRACT Background and Aim Psittacosis is a zoonotic disease that mostly affects birds and can infect people. It causes respiratory ailments that can be minor or severe. The disease's importance to public health is shown by the fact that it has been connected to isolated outbreaks in several parts of the world.
Himel Ghosh, Sejuti Reza, Md. Abdul Mazid, Syed Masudur Rahman Dewan   +3 more
wiley   +1 more source

Molecular diagnosis and genotyping of Chlamydia psittaci in captive psittacines and their owners in the middle province of Iran

Journal of Zoonotic Diseases, 2020
Chlamydia psittaci (C. psittaci) is an avian pathogen which its clinical symptoms of the disease may be varies from asymptomatic to several clinical symptoms, which include: conjunctivitis, an inflammation of the lining of the nose (rhinitis), sinusitis,
Mehdi MoradiSarmeidani , Payman Keihani , Hasan Momtaz , Mehran TajmirRiahi , Seyed Hussein Heydari   +4 more
doaj   +1 more source

Variation in Plumage Coloration of Rosy‐Faced Lovebirds (Agapornis roseicollis): Links to Sex, Age, Nutritional Condition, Viral Infection, and Habitat Urbanization

Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, Volume 343, Issue 1, Page 48-58, January 2025.
Lovebird adults had redder faces than juveniles, and birds with brighter faces had lower glucose levels and were less likely to have polyomavirus. Male lovebirds had bluer rumps than females. Lovebirds caught farther from the city had redder and darker feathers than those caught closer to the urban center.
Kevin J. McGraw, Reilly Hammond, Simona Kraberger, Arvind Varsani   +3 more
wiley   +1 more source

Granulomatous ventriculitis caused by Pythium insidiosum in a rosella (Platycercus eximius) [PDF]

Pesquisa Veterinária Brasileira
: Pythiosis is an infectious disease caused by the oomycete Pythium insidiosum and can affect various systems/tissues, including cutaneous, digestive and respiratory tracts.
Aline R. Baron, Glauco J.N. Galiza, Yanca G.S. Soares, Lucas Marian, Gustavo W. Pandolfo, Jennyfer J.S. Sá, João V.C. Roeder, Renata A. Casagrande   +7 more
doaj   +1 more source