Exact(3)
Dimorphodontids therefore possessed characteristics quite conducive to developing flightless habits and there seems little reason to assume that more derived members of this group could not have abandoned flight in the right conditions.
These observations do not preclude the existence of flightless pterosaurs, however: it is entirely conceivable that some forms may have abandoned flight given the right environments and selection pressures.
If giant pterosaurs had abandoned flight it may be predicted that their bone strengths would correlate well with those of comparably-sized terrestrial animals, but they appear considerably over engineered by comparison.
Similar(56)
Two flights, from Lagos and Banjul, were shown as being operated by Arik Air - though that airline, based in Nigeria, had abandoned flights to Freetown in July.
He abandoned flights to places like Mexico City — a fiercely competitive market for business travelers — and replaced them with more lucrative resort routes.
In our view, however, the pterosaur lineage closest to abandoning flight may not be giant at all but, rather, the considerably smaller basal pterosaur clade Dimorphodontidae (wingspans of 0.6 1.3 m [6]).
They have abandoned their flight path from Canada to their usual winter habitat, a sunny hillside in Mexico where they have been overwintering safely for generations but which has been ravaged by logging and landslides.
Pathfinder, the NASA spacecraft that landed on Mars on 4 July, appears to be in a coma, and unless radio contact is reestablished within 2 weeks, the mission must be abandoned, says flight director David Gruel of NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California.
Grahame-White attempted to resume his journey to Manchester, and reached Tamworth, but he later abandoned the flight.
Last week, I wrote here about the problems with liquids at the Stansted security checkpoint, which resulted in cabin baggage being abandoned and flights being missed.
The Irish airline abandoned internal flights three years ago but believes a changing market and its own focus on business passengers makes the routes viable.
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