Those small islands would have been unable to support breeding populations of large sauropods.
Gratwicke works with two partner facilities in Panama that keep captive breeding populations of the golden frog until the species can be safely reintroduced.
Traps baited with sex-attractant chemicals, or pheromones, are a promising method to reduce breeding populations of certain insects.
According to an environmental audit carried out in 2010 for HS2, the company behind the project, the new railway line would "result in the loss of all breeding populations of barn owls within 1.5km of the proposed scheme".
The next day, we interrupted the two-hour drive to Tana with a stop at La Mandraka Nature Farm, the creation of a French herpetologist who has established breeding populations of exotic chameleons.
The most serious worries about the spill's damage at this point lie not in lingering surface oil and tainted seafood, they say, but in long-term damage already done to breeding populations of fish, crabs and other commercially important species.
In a 7-year landscape-level investigation, we monitored breeding populations of marbled salamanders (Ambystoma opacum) among 14 seasonal ponds in western Massachusetts, USA, to quantify dispersal probabilities and distances.
The environmental statement predicts the loss of all breeding populations of barn owls within 1.5km of the proposed scheme, but is "vague" about the plan to limit the damage.
Kara Brydson, of RSPB Scotland, said: "Seabirds bring significant tourism revenue to remote and coastal communities which, in financial terms, makes it all the more concerning that breeding populations of some Scottish seabirds are estimated to have plummeted by over 70% in one human generation.
Many procellariids have breeding populations of over several million pairs; others number fewer than 200 birds.
Much-larger Gambian pouched rats have been found in the Big Apple, likely released as pets, Combs said, but he doubts there are breeding populations of them. .
