Page 57 - Design in Nature

Flawless Flying Machines: Birds 55

Birds also use their energy very efficiently. They
demonstrate significantly higher efficiency in
energy consumption than do land animals. For
instance, a migrating swallow burns four
kilocalories per mile (2.5 per kilometre)

whereas a small land animal would burn
41 kilocalories.
Mutation cannot explain the
differences between birds and land animals.
Even if we assume one of these features
to occur through random
mutation, which is not a

possibility, a single feature by itself does
A swallow.
not make any sense. The formation of a high
energy-producing metabolism has no meaning
without specialised avian lungs. Moreover, this
would cause the animal to choke from insufficient
oxygen intake. If the respiratory system were to
mutate before the other systems then the creature
would inhale more oxygen than it needs, and would
be harmed just the same. Another impossibility relates

to the skeletal structure: even if the bird somehow
obtained the avian lungs and metabolic adaptations it still could not fly. No
matter how powerful, no land creature can take off from the ground due to
its heavy and relatively segmented skeletal structure. The formation of
wings also requires a distinct and flawless "design".
All of these facts take us to one result: it is simply impossible to explain
the origin of birds through accidental growth or a theory of evolution.

Thousands of different species of birds have been created with all their
current physical features in "a moment". In other words, Allah has created
them individually.