Search Results for observer

... breeding behaviours of the southern subspecies, H. a. flavopunctatus , including amplexus and spawning, breeding microhabitat, and associated environmental conditions at a site in East Gippsland. Frogs were observed breeding in an ephemeral second-order stream following heavy rainfall, with oviposition...

... python eating an adult Rufous owl ( Ninox rufa ) in a tree at the base of a sandstone scarp. While this species is generally observed at night, other sightings such as this one occurred during the day, suggesting that this species may not be wholly nocturnal but also able to hunt and disperse during...

... articles, microfilm, contemporary correspondence, private collections and other miscellaneous citations and testimony, we have amassed 1,223 unique Thylacine records from this period and resolved previous anomalies and duplications. Each observation in the database is dated, geo-tagged, categorised...

...Sam Wilson; Gary Stephenson; Richard Shine Corresponding author: email: [email protected] Annelida Colubridae Dendrelaphis calligastra Serpentes trophic ecology Fossorial prey in an arboreal snake: an observation of earthworm consumption by a Northern Tree-Snake (Dendrelaphis...

..., 1) = 0.323; p = 0.570). To better understand the impacts of pesticide exposure on C. cruralis behaviour and ecology, the observations presented here require further study and validation with the addition of other variables such as territory mapping, assessment of reproductive success...

...Damian R. Michael; Talia Schlen; Dana Lanceman ABSTRACT Feeding observations in free-ranging nocturnal snakes are rare, primarily due to their cryptic behaviour and activity patterns. We describe a feeding observation in a free-ranging Grey Snake Hemiaspis damelii in the Murrumbidgee catchment...

...Alana de Laive; Chris J. Jolly ABSTRACT Chameleon Dragons Chelosania brunnea Gray, 1845 are well known amongst naturalists of northern Australia as being one of the most cryptic and least frequently observed of Australia’s large, iconic lizards. Despite their broad distribution across the savanna...

.... Surprisingly, immature stages of the estuarine mosquito, Aedes vigilax , were observed in the freshwater wetlands in exceptional abundances during this period. Adjacent to these freshwater wetlands there are extensive saltmarsh and mangrove habitats where highly abundant populations of Ae. vigilax are common...

...Nicole A. Hansen; Damon L. Oliver ABSTRACT This short note presents field observations of a pair of adult threatened Little Whip Snakes Parasuta flagellum and a pair of juvenile Common Eastern Brown Snakes Pseudonaja textilis in an aggregation beneath artificially placed Masonite board used...

...Kye Adams; Allison Broad; David Ruiz-García; Andrew R. Davis ABSTRACT Aerial surveys are a powerful means of collecting ecological data in terrestrial and marine systems that may otherwise be difficult to acquire. Increasingly aerial observations are made with Unmanned Aerial Vehicles (UAVs...

..., nectar and pollen. Tree sap has never before been recorded as a part of the diet of C. nanus . Here, we report on two observations of C. nanus feeding on eucalypt sap in south-eastern New South Wales. diet exudate Burramyidae 2019 251 Australian Zoologist volume 40 (2) Introduction The Eastern...

...William Terry; Albert Golden An observation of nest robbing and bird predation by wild Brush-tailed Phascogales in central Victoria William Terry1, 3 and Albert Golden2 1School of Environment, Science and Engineering Southern Cross University, Lismore, NSW, 2480. 2Macedon Ranges Conservation...

... Manorina melanocephala and Pied Currawongs Strepera graculina , followed by Grey Butcherbirds Cracticus torquatus and Australian Magpies Cracticus tibicen . We observed mobbing by three species of bird and one mammal that were not previously recorded as mobbing species, including agonistic responses...

... Observations of hunting attacks by the Powerful Owl Ninox strenua and an examination of search and attack techniques Matthew Mo1, Peter Hayler2, David R. Waterhouse3 and Antonia Hayler2 1 NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute,Woodbridge Road, Menangle NSW 2568...

... the kidney of only two fish, and these were identified as Aeromonas veronii , A. jandaei and Bacillus / Lactobacillus spp. An unidentified monogenean infection was observed in the gills of four fish, and trematode metacercariae were observed in the extra-ocular tissue of four fish. Nematodes were observed...

...Aaron Payne In coastal New South Wales most frog species are observed calling and breeding in the warmer months of the year. One exception to this is the Jervis Bay Tree Frog Litoria jervisiensis, which displays a preference for calling and breeding in the cooler months of the year. There are some...

...Graham Fulton Two different hunting methods, used by domestic Dogs Canis familiaris , are described involving attacks on an Orange-footed Scrubfowl Megapodius reinwardt and Silver Gull Chroicocephalus novaehollandiae . The two observations were recorded in widely different habitats: one occurred...

...L. A. Beard From a large data base on observer training gathered over 20 years of South Australian kangaroo survey (SAKS), it was estimated that approximately 40-48 hours in the air (including both survey and transport time) were required to train and calibrate a new observer. Training consisted...

...David Carter To many wild animals humans are a particu- larly alarming sight. By concealing the human figure, even with something like a tent or vehicle which does not resemble part of the A natural environment, many species may be approached, observed and photographed with relative ease...

...Michael Brooker; John Wombey Some Observations on the Herpetofauna of the Macquarie Marshes Region, NSW, with Special Reference to Chelidae Michael ~rooker ' and John Wombey Division of Wildlife and Rangelands Research, CSIRO, P.O. Box 84, Lyneham, A.C.T., Australia 2602. 'present Address...