If you close your eyes and picture Hawaii, you probably imagine lush green mountains, vibrant flowers, and the melodic song ...

The Hawaiian archipelago was a complete ecosystem, but because it was without the usual lineup of predators and prey, herbivores and scavengers, some birds began taking over these niches themselves.

Hawaiian honeycreepers are an integral part of native ecosystems and Hawaiian culture. Some birds, like the iiwi (left), developed long, curved bills to sip nectar out of crescent-shaped flowers ...

The state plans on releasing thousands of bioengineered mosquitoes as “birth control” in Maui forests, hoping it will curb insect populations and slow the spread of avian malaria.