J. Webb

Publications165
h-index43
Citations5,842
Highly Influential Citations268
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Invasion and the evolution of speed in toads
Cane toads (Bufo marinus) are large anurans (weighing up to 2 kg) that were introduced to Australia 70 years ago to control insect pests in sugar-cane fields. But the result has been disastrous… Expand
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Life underground: food habits and reproductive biology of two amphisbaenian species from southern Africa
Examination and dissection of 216 museum specimens of two species of amphisbaenians (the shovel-snouted Monopeltis anchietae and round-headed Zygaspis quadrifrons) from southern Africa provided data… Expand
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Body size, locomotor speed and antipredator behaviour in a tropical snake (Tropidonophis mairii, colubridae): The influence of incubation environments and genetic factors
1. The physical conditions experienced by reptile embryos inside natural nests can influence the size, shape and behaviour of the resultant hatchlings. Although most reptiles are tropical, the… Expand
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THE ADAPTIVE SIGNIFICANCE OF REPTILIAN VIVIPARITY IN THE TROPICS: TESTING THE MATERNAL MANIPULATION HYPOTHESIS
Abstract Phylogenetic transitions from oviparity to viviparity in reptiles generally have occurred in cold climates, apparently driven by selective advantages accruing from maternal regulation of… Expand
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Rapid expansion of the cane toad (Bufo marinus) invasion front in tropical Australia
Cane toads (Bufo marinus) are large toxic anurans that have spread through much of tropical Australia since their introduction in 1935. Our surveys of the location of the toad invasion front in 2001… Expand
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Toad on the road: use of roads as dispersal corridors by cane toads (Bufo marinus) at an invasion front in tropical Australia.
Determining the factors that influence the rate of spread of invasive species is an important goal for conservation biology. If invasive species utilize specific landscape features as dispersal… Expand
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The Physiological Cost of Pregnancy in a Tropical Viviparous Snake
Abstract During pregnancy, the metabolic rate of females may increase above basal levels to support metabolically active tissues and developing embryos. In mammals, this energetic cost of supporting… Expand
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Paving the way for habitat restoration: can artificial rocks restore degraded habitats of endangered reptiles?
The addition of artificial resources (nest boxes, shelter sites) to degraded habitats may help reverse the decline of species that rely on these structures. In south-eastern Australia, the endangered… Expand
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Successful surf-riding on size spectra: the secret of survival in the sea
All ecosystems require constituent species to survive against a backcloth of biotic and abiotic scenery. How this scenery shapes the life-history strategies of the players and how they in turn shape… Expand
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Invasive cane toads (Bufo marinus) cause mass mortality of freshwater crocodiles (Crocodylus johnstoni) in tropical Australia
Abstract Invasive species are frequently blamed for faunal declines, but there is little direct evidence about the pathways, magnitude and size-selectivity of mortality induced by invaders. Top… Expand
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