african bark barking black-&-white black-coats black-skin Bray braying Camouflage common-zebra contrast contrasting equids equus-quagga-boehmi erect-manes family-groups fast grant’s-zebra grazers harems herbivores herbivorous herd herds individual mammals mohawk-like-manes patterns plains-zebra social stiff-manes stripes subspecies ungulates unique unique-stripe-patterns white-fur white-stripes zebra animal bright bulbous-eyes camouflaged casque chamaeleo-calyptratus closeup cold-blooded color-changes coloration colors colour-changes colours cone-headed-chameleon ear exotic eye fauna gentle green head helmet herpetology independent-swivelling insectivore insectivorous legs lizard middle-eastern mouth nose observant patchy reptile reptilian Saudi-Arabia scales skin spiky spines surface surfaces swivel veiled-chameleon Yemen background birds brown buff climate-tolerant common common-pest dark ever-expanding-populations gray grey house-sparrows insect-eaters introduced-species Luke 12:6-7 Matthew 10:29-31 mottled Old-World-sparrows passer-domesticus passerine-birds pavement pest plump powerful-beaks prolific seed-eaters small sparrow sparrows textures true-sparrows two-a-penny worldwide-distribution breadcrumbs climate tolerant ever-expanding populations feeding house sparrows Matthew 10:29 passer domesticus paving antler-like-horns baringo-giraffe blotched blotches browser camelopard coat coloring colouring creamy-lines even-toed-ungulate giraffa-camelopardalis-rothschildi giraffe herbivore hide irregular-patterns light lines long-necked long-tongued mammal mane megafauna nature ossicones ossified-cartilage patches pattern patterned rectangular-spots rothschild's-giraffe ruminant strong-tongued tallest texture thin-mane Ugandan-giraffe horns knobs bug Guava insect leaf moving Phyllium Giganteum plant summer tree