Sentence examples for flightlessness from inspiring English sources

That flightlessness is a secondary condition is made still more apparent in other flightless birds that belong to families most of whose members are capable of flight.

The ratites of South America (rhea), Africa (ostrich), and Australia (cassowary) present an apparent contradiction to this correlation of mammal-free island habitats with bird flightlessness.

Over time, other traits were favoured by natural selection, and flightlessness was passed on to these birds' descendants.

Many oceanic islands have been colonized by rails, which then evolved flightlessness in the absence of predators.

Flightlessness often develops in birds that are adapted to insular island environments free of natural predators.

If other people suddenly discovered they could fly, would my flightlessness make me disabled?