Female part of an animal-identification device comprising an element for locking the male part inside the female part

An animal-identifying device comprising:

• a male part having a head and a section with a perimeter;
• and
• a female part comprising:
• a cavity to receive the head of the male part,
• said cavity comprises comprising a blocking element provided within said cavity, to hold said head inside said cavity,
• said blocking element comprising a base and at least two resilient claws extending from said base towards an entrance of said cavity,
• said base of the blocking element being cylindrical or partially spherical,
• said claws being shaped as a truncated cone whose smallest diameter corresponds to the diameter of said base and being movable between several positions, comprising:
• a resting position before insertion of the head into the cavity, in which the claws are relaxed,
• an insertion position, in which the claws are stressed into opening, and
• a blocking position after insertion of the head into the cavity, enabling blocking of said head inside said cavity.