An insect feeds on human blood (flesh). Dangerous person asks it where it had sucked blood or whose blood (flesh) is the most delicious. Usually the insect lies or cannot answer (its tongue is cut off) and thanks to this dangerous person attacks certain plants or animals and not people
The snake is an enemy of the swallow (usually because swallow does not let snake to destroy people; the snake sends mosquito or other bloodsucking insect to get know whose blood is the most delicious; the insect flies back to report that human blood is the sweetest; swallow bites its tongue off and the snake gets to pull off feathers from the swallow's tail)
First one, then another man meets a powerful person or persons. The first man is worthy and rewarded with treasure, prestige or the like. The second man (or two men) follows him, behaves in a wrong way and is punished
Two men have a similar defect (a hump, a lump). One spends a night in a place where spirits free him from his defect. Another comes to the same place but spirits double his defect giving him what they had taken off from the first man
Being (any besides birds) with more than ten heads or with odd (but more than one) number of heads are described in tales or represented in art. If beings with ever more number of heads are named, the row ends with a being that has odd (or more than ten) number of heads
People are ordered to kill their fathers or (rare) mothers (the Nyoro: to deprive them of power and property; the Baluch: not to take them setting off for the journey). An old man concealed by his son helps to resolve difficult problem
Because telling the truth a stupid son (wife, husband)) can bring misfortune upon the family, his mother (wife; her husband) mystifies him (her) making him or her describe events that are definitely impossible. People take him (her) for a fool and let alone.