Frederic Jiguet, ornithologist at the Museum of Natural History, has been capturing crows since 2015 using his cage installed in the heart of the Jardin des Plantes to study their movements and survival. He hopes to change the relation between mankind and the birds, classified as pests throughout France.
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00:00The fact of giving small pieces of sandwiches allows me to attract them to be able to read the number of rings.
00:22There is nowhere else where we are sure to find food.
00:26Every day and in quantity, it is in Paris and in the trash cans of the Parisians.
00:31I'll give you a hand.
00:39I'll give you a hand.
00:41If there is damage caused by their workers, damage done on plantations, on lawns, and we want to manage this damage by saying that there should be fewer birds,
01:01the best solution is to manage the food remains in the public space in a different way.
01:12The number can be read from a distance.
01:16Observers in Paris, etc., or elsewhere, people can see a crown and give me the number of this ring, it allows me to identify it precisely.
01:26These plastic rings will wear out, they will stay 3, 4, 5 years on the birds, sometimes more, but in any case not the whole life of the bird.
01:34We have completely changed our trash cans by moving on to plastic bags.
01:46It's a young bird.
01:47Yes, it's a young bird of the year.
02:05Due to the study of their movements, their survival, the causes of mortality, we can say that trapping them like this to kill individuals is not effective,
02:17it is not what will reduce the damage, and therefore other solutions must be found.