Sentences with phrase «big goannas»

Not exact matches

So, toads ARE an ecological problem - but only for a fairly small number of species (the big predators) and fortunately, Queensland populations of many of those species (like yellow - spotted goannas and northern quolls) are recovering, a few decades after the toads arrived and really reduced the predator numbers.

From work by Professor Thomas Madsen and Dr Beata Ujvari at Fogg Dam, as well as Dr Greg Brown's regular counts, we know that most of the big floodplain goannas were killed by trying to eat toads, within a year or so of the toads first arriving.

Part of the problem is that the kinds of native animals that are most likely to be affected by toads are big predators, like quolls (marsupial carnivores), large snakes, and goannas.

Animals that try to eat big toads, like quolls and goannas, are in the biggest trouble (because big toads have a lot more poison than small toads.