Top 10 animals facts Selected as the most interesting among animals related questions in Animals quiz How do baby birds get oxygen inside their eggs?Oxygen comes in through pores in the shell. Directly under the shell, there is a small pocket of air. The microscopic pores on the egg surface allow the CO2 to escape and fresh air to get in, so a developing bird can breathe.Created by: Kasiahard simple questions facts » What color is octopus blood?Blue. Both squids and octopuses have blue blood. They use an oxygen-carrying molecule in their blood called hemocyanin that contains copper. In cold conditions with low oxygen pressure, hemocyanin oxygen transportation is more efficient than hemoglobin oxygen transportation.Created by: Kasiablood facts » Which animals are the most threatened by a prion disease?Sheep. Scrapie is infectious and incurable. Recent studies suggest prions may be spread through urine and persist in the environment for decades. Scrapie occurs in Europe and North America, but to date, Australia and New Zealand (both major sheep-producing countries) are scrapie-free.Created by: ex-terminatordiseases facts » On which continent you may find dromedary camels in the wild?In Australia. The domesticated form occurs widely in North Africa, South Asia and the Middle East, but the only population in the wild is in Australia. Dromedary camels were brought over by the early colonizers as pack animals. They became redundant with the arrival of motor transport, and today's feral herds are their ascendants.Created by: globalquiz.organimals of Australia facts » Which dogs are known to eat fish?Dingos ancestors that were brought to Australia were relatively undomesticated and closer to wild Asian gray wolf. The dingo's diet includes bandicoots, rodents, echidnas, crabs, fruits, and other plants, as well as insects (mostly beetles). On Fraser Island, dignos often eat fish.Created by: globalquiz.orgcarnivores facts » Which domestic animal has the largest number of breeds?Sheep husbandry is practiced throughout the majority of the inhabited world, and has been fundamental to many civilizations. FAO (Food and Agriculture Organization of the UN) identified 1229 breeds of sheep as of 2006. Almost all sheep are classified as being best suited to furnishing a certain product: wool, meat, milk, hides, or a combination in a dual-purpose breed.Created by: Cleomammals facts » Where is it NOT possible to find a penguin?In Iceland. All penguins are native to the Southern Hemisphere, but they are not found only in cold climates. Several species are found in the temperate zone of South Africa and South America. The Galápagos Penguin (pictured) lives near the equator. Fossils show that many prehistoric species lived in warm climates.Created by: life-o-holicpolar facts » Mules are generally known to have fertility problem. How often do mules give birth to a healthy offspring?Very rarely. Mules are considered infertile, but there have been more than 60 documented cases of foals born to female mules around the world (some of them were even DNA-tested to verify the motherhood). There are no recorded cases of fertile mule stallions.Created by: globalquiz.orghorses facts » What is the inventive hunting technique of humpback whales?Bubble net. A group of whales swims in a shrinking circle blowing bubbles below a school of prey. Forage fish show a strong fear of bubbles and can be easily contained within a bubble curtain. The shrinking ring of bubbles encircles the school and confines it in an ever-smaller cylinder. The whales then suddenly swim upward through the "net", mouths agape, swallowing thousands of fish in one gulp.Created by: globalquiz.orgsea animals facts » Is this a male, or a female cat?A female. This kind of coat coloring, which combines two colors other than white (black and red in this case), is known as tortoiseshell, and it is found almost exclusively in female cats. This is because the X chromosome determines the color of the cat, and there are no color genes in Y chromosome. Thus, female cats with XX chromosomes may be three colored (including white), while male cats with XY chromosomes cannot. (with the exception of very rare XXY sterile males).Created by: Sara Amonciogenetics facts » Play animals quiz and see all the questions.