J'ai déjà écrit il y a peu de temps sur la présence de baleines à bosse dans les eaux de Boa Vista au Cap-Vert, et j'avais présenté rapidement la raison de la migration, et la façon de reconnaître les individus. Aujourd'hui, toujours sur le même sujet, je vais vous présenter en utilisant des photos, les différentes phase possibles de leur comportement que nous pouvons observer depuis la surface. Tout d'abord, l'inévitable respiration. La baleine est un mammifère et comme tout mammifère après un temps passé en apnée, son premier réflex une fois à l'air libre sera de respirer ! Mais une baleine pèse une trentaine de tonnes, et sa respiration se traduira par une expulsion d'air qui va avoisiner les 4 à 5m de hauteur... Très impresionnant lorsque cela se passe aux alentours du bateau. Le bruit est encore plus impressionnant que la baleine elle-même ! Une autre de ses phases comportemental est le déplacement. Les baleines nagent à une vitesse pouvant avoisiner 3 à 4 noeuds lorsqu'elles sont en déplacement. Leur dos traverse alors la surface à chaque passage. Un moment où nous pouvons prendre consicence de toute sa taille... |
I have written recently about the presence of humpback whales in the waters of Boa Vista in Cape Verde, and I had quickly presented the reason for migration, and how to recognize individuals. Today, always on the same subject, I will present you using photos, the different possible phases of their behavior that we can observe from the surface. First, the inevitable breathing. The whale is a mammal and like any mammal after a time spent in apnea, his first reflex once in the open air will be to breathe! But a whale weighs about thirty tons, and its breathing will result in an expulsion of air that will be around 4 to 5m high... Very impressive when it happens around the boat. The noise is even more impressive than the whale itself! Another of its behavioural phases is displacement. Whales swim at a speed of about 3 to 4 knots when on the move. Their back then crosses the surface at each pass. A moment when we can take consicence of all its size... |
Amazing the photos, but also what you say regarding breathing!!!! Certainly never thought about the noise it can make when breathing. Excellent information. Regards
Thank you for your nice comment. Yes, impressive animal !
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Good job!
Interesting!
Thanks a lot !
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They look very interesting! And great photo by the way!
!LOL
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Merci pour le partager! C'est simplement magnifique! Tous les photos, je viens de voir les derniers trois post que tu as partagé. Bonne journée!
Merci c'est gentil ! Et bon coucher de soleil en passant !!
La belleza !!!