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E-book Dog Training Theory

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Penilaian

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According to current knowledge, dogs’ visual acuity is assumed to be three to four times worse than that of humans. 1. Dogs see objects closer than 30-50 cm in front of them as blurry, which is why they sniff around when pieces of food are very close to them, for example.2 Dogs perceive movement much better than humans. They can detect small movements even at distances of almost one kilometre. This ability varies from breed to breed.3 Dogs see better than humans at dusk too. In complete darkness, however, dogs and humans see equally poorly. As a dog’s eyes are located on the side of its head, they have a larger field of vision than humans. Without having to turn their heads, dogs can also see movements that take place to the side of or behind them.5 Dogs with a lot of hair on their heads, however, can have significantly impaired vision. Making sure that the hair around the eyes is shaved during grooming or that the excess hair is tied back is important so the dog can fully experience the world visually. Dogs perceive colours differently to humans. They lack the light-sensing cells (cones) in the retina that allow the colour red to be seen. This makes them red-green colourblind, which is why dogs see a blue ball in green grass much better than a red ball.

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

636.0887 DEP d

Penerbit

Switzerland : Canton of Zurich Department., 2025

Deskripsi Fisik

113 hlm

Bahasa

English

ISBN/ISSN

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Klasifikasi

636.0887

Tipe Isi

text

Tipe Media

computer

Tipe Pembawa

online resource

Edisi

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Subjek

Pets

Info Detail Spesifik

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Pernyataan Tanggungjawab

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Versi lain/terkait

Lampiran Berkas

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