Local time on May 11, malaysia Lei Ba overcomes an island, hornbill of spot of a pair of coronals (formal name: Anthracoceros Coronatus) performed a wonderful act. Among them a pounce comes over, spread out wing, resemble a luxuriant fan, next they are together bird rostellum repeatedly, complete a kind of strange ceremony. This kind of behavior happens when amuse oneself of coronal spot hornbill, courtship and contention are feudal normally. Coronal spot hornbill, large and avian, body length reachs 78 centimeters 74 centimeters. The mouth provides big armet dash forward, color is sallow color or ivory white, armet dash forward in front have remarkable black spot; Black thing upper part of the body, provide metallic green burnish, outside thing lower part of the body to be white except the abdomen, also be black completely, outside side end feather the white terminal that provides expanse. Tip of wing predestined relationship, remex and base the ministry also is white, when flying extremely apparent. Divide activity of the Chang Chengqun outside breed period. Perch on the tree more and activity, also forage to the ground sometimes. The cry is " gram, gram, gram " , very sonorous. The head when flying and cervical and forward unbend, two wings open and flat, very resemble a plane, so common says " plane bird " . Basically be with the floral fructification such as banyan and seed feed, also prey to the ground snail, vermian, rat kind, snake, creeping kind with the insect. Eat when feeding, often throw food in sky first, use the mouth next accurate without hold by accident readily, again deglutition goes down. The food such as bone of the pit that cannot digest, animal is residual, spit instead from inside the stomach come. The whole world is planted group did not quantify, exiguous or common species is belonged to in country of origin. The scale of male and female of coronal spot hornbill is serious unbalance, plant group of amounts in continueing to drop. The breed that beginning in March is coronal spot hornbill period. They are produced every time 2 to 4 egg, white of an egg is lubricious, the surface is coarse and poriferous, hatch period arranges a month. Husband and wife cultivates the incubate in the hole in what leave the ground very tall. During brood, male bird is reincarnate career male, outer by day forage, it is habitat even in night outside mew, stand sentry stand sentry, protective wife. Hen from beginning to end volt house becomes full-time mother in tree hole, and oneself fecal mixing the caboodle such as wood of seed, corrupt to be in mouth of a cave. Male bird uses wet earth, fructification outside residual etc close tree hole, take a break only, hen extends mouth what male bird accepts outside the hole to feed from here feed. A pair in becoming a bird if have one only gone, another won't search a new sweetheart additionally absolutely, die in the fast in sadness however. Hunt kills to be equivalent to destroying a family. Hornbill of Ling Guanban of this kind of lifelong monogamy by the coronal with " love bird " good name. They are looked like 3 times in contention domain. Among them two had begun fight, another is looking on look.