Why yaks are getting extincted?

When was Joy Hester's artwork Boy with yellow bird made? How does colliculus in sheep compare to human? She likes felines but not cats What does she like? What is kodubale? What animals were first used to transport goods across Arizona? Is chicken a meat? what are intresting facts about the tripod fish? What is xenodochieonology the study of? What was the name of Duke of Wellington's horse? How did the crocodile survive for 70 million years? Why do turtles have webbed feet? What are facts about the galapagos islands? How many eggs does a hen lay when she is sitting? What kind of a worm is bright green with yellow and blue spikes large size of tomato worm? How is the spit at spurn head created? What is scatting mean? What does the gill arch so in a fish? Where does the foramen ovale allow blood flow to and from? What are sugar bugs? Does a millipede have a nose?