Results 21 to 30 of about 1,274 (170)

A new unusual waterbird (Aves, ?Suliformes) from the Eocene of Kazakhstan [PDF]

open access: yesJournal of Vertebrate Paleontology, 2015
http://zoobank.org/urn:lsid:zoobank.org:pub:55265D97-F2EF-459D-9728-E4C433DB22F9 SUPPLEMENTAL DATA—Supplemental materials are available for this article for free at www.tandfonline.com/UJVP Citation for this article: Zvonok, E. A., N. V. Zelenkov, and I. G. Danilov. 2015.
Zvonok, Evgeniy A.   +2 more
openaire   +1 more source

Contributions of feather microstructure to eider down insulation properties [PDF]

open access: yes, 2017
Insulation is an essential component of nest structure that helps provide incubation requirements for birds. Many species of waterfowl breed in high latitudes where rapid heat loss can necessitate a high energetic input from parents and use down feathers
Carlsen, Thomas Holm   +4 more
core   +4 more sources

"THE PRESENT STATE OF KNOWLEDGE OF THE CENOZOIC BIRDS OF ARGENTINA" BY TONNI 1980: FOUR DECADES AFTER

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2023
“The present state of knowledge of the Cenozoic birds of Argentina” published in Contributions in Sciences in 1980, written by the argentine paleontologist Eduardo Pedro Tonni, became a must-read for those interested in the record of fossil birds.
Claudia P. Tambussi   +2 more
doaj   +1 more source

Chewing Lice (Phthiraptera) Infesting Breeding Suliformes (Aves: Aequornithes) of the Arabian Peninsula [PDF]

open access: yesAfrican Invertebrates, 2015
على الرغم من التنوع الكبير للطيور المهاجرة والمقيمة في شبه الجزيرة العربية، فقد تم أخذ عينات قليلة نسبيًا لمضغ القمل. في هذه الدراسة، تم فحص ثلاثة أنواع من السوليفورمات، Phalacrocorax nigrogularis Ogilvie - Grant & Forbes، Sula dactylatra Lesson و Sula leucogaster (Boddaert) بحثًا عن قمل المضغ. تم تحديد أربعة أنواع من قمل المضغ، اثنان من الرتبة الفرعية
Mohamed Nasser   +3 more
openaire   +1 more source

Quantifying annual spatial consistency in chick-rearing seabirds to inform important site identification [PDF]

open access: yes, 2023
Animal tracking has afforded insights into patterns of space use in numerous species and thereby informed area-based conservation planning. A crucial consideration when estimating spatial distributions from tracking data is whether the sample of tracked ...
Arnould, John P.Y.   +18 more
core   +5 more sources

Feeding and foraging ecology of Trindade petrels Pterodroma arminjoniana during the breeding period in the South Atlantic Ocean [PDF]

open access: yes, 2017
Seabirds breeding in tropical environments experience high energetic demands, when foraging in an oligotrophic environment. The globally threatened Trindade petrel Pterodroma arminjoniana has its largest colony in Trindade Island (20°30′S–29°19′W) inside
Bugoni, Leandro   +4 more
core   +1 more source

Evidence for West Nile Virus and Usutu Virus Infections in Wild and Resident Birds in Germany, 2017 and 2018 [PDF]

open access: yes, 2019
Wild birds play an important role as reservoir hosts and vectors for zoonotic arboviruses and foster their spread. Usutu virus (USUV) has been circulating endemically in Germany since 2011, while West Nile virus (WNV) was first diagnosed in several bird ...
Eiden, Martin   +19 more
core   +2 more sources

Population status of Oriental Darter Anhinga melanogaster Pennant, 1769 (Aves: Suliformes: Anhingidae) in Keoladeo National Park, India

open access: yesJournal of Threatened Taxa, 2023
Oriental Darter Anhinga melanogaster belonging to the family Anhingidae is a globally ‘Near Threatened’ species occurring in southern and southeastern Asia. The Keoladeo National Park (KNP), Bharatpur, Rajasthan is also known to harbour some population of this species where this study was carried out to assess the population status.
Neha Imtiyaz, Satish Kumar
openaire   +1 more source

Spatial and species-level predictions of road mortality risk using trait data [PDF]

open access: yes, 2018
Aim: Wildlife-vehicle collisions are recognized as one of the major causes of mortality for many species. Empirical estimates of road mortality show that some species are more likely to be killed than others but to what extend this variation can be ...
Alamgir   +51 more
core   +1 more source

Foraging behavior of Brazilian cormorant, Nannopterum brasilianus (Suliformes: Phalacrocoracidae)

open access: yesZoologia (Curitiba), 2018
Although the concept of optimal foraging has been extensively discussed, foraging efficiency is difficult to assess in vertebrates. In this study, we determined the foraging efficiency of the Brazilian cormorant, Nannopterum brasilianus Gmelin, 1789, by ...
Carla Gheler-Costa   +3 more
doaj   +1 more source

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