Results 61 to 70 of about 91,031 (301)

Soil moisture & roads influence the occurrence of frogs in Kathmandu Valley, Nepal

open access: yesGlobal Ecology and Conservation, 2020
Urbanization and linear infrastructure are reported to influence amphibian assemblages and populations. In areas undergoing rapid infrastructure development and urbanization, the mounting threats to biodiversity are evident.
Prakash Chandra Aryal   +8 more
doaj   +1 more source

Marine Reptiles

open access: yesPLoS ONE, 2011
Of the more than 12,000 species and subspecies of extant reptiles, about 100 have re-entered the ocean. Among them are seven species of sea turtles and about 80 species and subspecies of sea snakes, as well as a few other species that are occasionally or regularly found in brackish waters, including various other snakes, the saltwater crocodile, and ...
Rasmessen, Arne R.   +4 more
openaire   +5 more sources

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

B-Mode Ultrasound Diagnostics of Orthopaedic Diseases in Clinical Avian Medicine: Comparative Study

open access: yesAnimals
Orthopaedic disorders represent a significant clinical challenge in avian medicine, affecting both pet and wild birds. B-mode ultrasound (US) examination is well established in small-animal and equine medicine; it has seen limited application in avian ...
Anna Korshunova, Volker Schmidt
doaj   +1 more source

Radionuclide transfer to reptiles

open access: yes, 2010
Reptiles are an important, and often protected, component of many ecosystems but have rarely been fully considered within ecological risk assessments (ERA) due to a paucity of data on contaminant uptake and effects. This paper presents a meta-analysis of
Dmitry V. Semenov   +18 more
core   +1 more source

The amphibians and reptiles of the Altamaha River, Georgia [PDF]

open access: yes, 2012
Field surveys of 59 sites conducted in 1999–2012 and a review of existing museum specimens documented 29 species of amphibians (13 salamanders, 16 anurans) and 36 species of reptiles (1 crocodilian, 5 lizards, 19 snakes, 11 turtles) from the Altamaha ...
Stackhouse, Jill   +3 more
core   +1 more source

Paleopathology of a putative colossosaurian caudal vertebra (Neosauropoda: Titanosauria) from the Presidente Prudente Formation, Brazil

open access: yesThe Anatomical Record, EarlyView.
Abstract Studies investigating paleopathologies in sauropods remain scarce despite their relative abundance in the fossil record. In this study we report new occurrence of paleopathological features, corresponding to a neoplasm found in a middle caudal vertebra (MCT.R.2120) of an advanced titanosaur from the Presidente Prudente Formation (Bauru Basin ...
Maria Luiza Peres Bertolossi   +5 more
wiley   +1 more source

Evolutionary radiation of large‐bodied gorgonopsians from the lower Abrahamskraal formation of South Africa

open access: yesThe Anatomical Record, EarlyView.
Abstract The middle Permian represents a critical interval in therapsid evolution, when gorgonopsians emerged as some of the first specialized apex predators within terrestrial ecosystems. Despite their significance, the early diversification of Gorgonopsia in Gondwana remains poorly understood due to scarcity and fragmentary material.
Zanildo Macungo   +5 more
wiley   +1 more source

Electrochemotherapy with bleomycin of different types of cutaneous tumours in a ferret (Mustela putorius furo)

open access: yesRadiology and Oncology, 2017
Mast cell tumour, sebaceous gland adenoma, and less common squamous papilloma are skin tumours in ferrets (Mustela putorius furo), and early excisional surgery is usually the treatment of choice.
Racnik Jozko   +6 more
doaj   +1 more source

Early stages of tooth development in the harbor porpoise Phocoena phocoena

open access: yesThe Anatomical Record, EarlyView.
Abstract Here we describe the stages of tooth development in toothed whales on the basis of the harbor porpoise (Phocoena phocoena). The aim of the study was to find out whether these stages are identical to those of other mammals analyzed so far although toothed whales are homodont and monophyodont.
Lasse M. Mathes   +2 more
wiley   +1 more source

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