| Photo Information |
Copyright: Lucas Aguilar (laguilar)
![Silver Note Writer [C: 0 W: 0 N: 54]](http://i1.treknature.com/misc/n-n-s.gif) (181) |
| Genre: Animals |
| Medium: Color |
| Date Taken: 2005-09-17 |
| Categories: Mammals |
| Camera: Olympus Camedia C-765 UZ |
| Exposure: f/3.7, 1/400 seconds |
| More Photo Info: [view] |
| Photo Version: Original Version |
| Date Submitted: 2005-09-27 3:28 |
| Viewed: 1223 |
| Points: 4 |
|
| [Note Guidelines] Photographer's Note [Spanish] |
EUROPEAN OTTER
Class: Mammals
Order: Carnivorous
Family: Mustélidos
Length head - trunk: 55-83 cm
Length tail: 30-60 cm
I weigh: 5-16 Kg
Habitat: fresh leaks with wealth in fauna
Distribution: the whole Europe fewer Iceland
Nourishment: carnivorous
Litter: 1-4 babies
Gestation: 2 months
Sexual maturity: 2 years
Longevity: 15-20 years
Description:
As adjustment to the aquatic way, the otter has a body fusiforme and flexible which ends in a long and muscular tail, which is smoothed and it is done reduces ultimately. The tail is used to take impulse in the swimming, as helm, as well as I rest when they have to go out to the surface to look. The extremities are short and end in five fingers provided with nails and that are joined by interdigital membranes. The nose, eyes and ears stay in a very high position in the head, indications all of his amphibious life, allowing to obtain all the information of the way only to extract a bit the head. His eyes are adapted to the refraction of the water. Every otter presents a white spot under the neck that is in the habit of being a characteristic in every individual. The males are major that the females. The hair is constituted by long hair and thickens flock, which a bruńida forms surface that does not present any hydrodynamic resistance, whereas the flock remains dry, forming big chambers of air that constitute the perfect thermal insulating one.
Nourishment:
On having had a high metabolism, it needs to feed repeatedly, his similar diet can diversify the disposition of the way. It shows preference to preys taradas and sick, helping to support this way the clean leaks of diseases. It is essentially piscívorous, though it can hunt crustaceans, amphibious, some birds like anátidas and rálidos, as well as paseriformes. In summer it can feed of snakes. Also they enter his diet invertebrate and some mammals like rabbits, water rates and also to emphasize the ingestion of fruits as apples.
Customs and social life:
The otters live in the margins of leaks and aquatic extensions of all kinds. From 3 to 5 support there a territory kms of length where they possess a series of refuges. Only they fix the territory in epoch of upbringing. They develop his activity so much by day as by night(in the daytime as by night,by day like by night), becoming more night major when it is the human pressure. During the rest they are in the habit of choosing bushes removed from the water, trunks, hollows, as well as old mills of water. They mark his territory with deposition of excrements. They have a great scale of vocalizaciones and a great interest to the game, with which they reinforce his social links.. With the exception of the family, it does not seem that other social groups exist, meeting sporadically some individuals to play.
From the zoo of Jerez de la Frontera. |
doubleg57, Chaga has marked this note useful
Only registered TrekNature members may rate photo notes. |
|
![Gold Star Critiquer/Gold Note Writer [C: 67 W: 0 N: 60]](http://i1.treknature.com/misc/g-n-g.gif)
(333)![Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 3064 W: 231 N: 6159]](http://i1.treknature.com/misc/g-g-g.gif)
(21044)