Senses, Communication 3 Flashcards Preview

Companion Behaviour > Senses, Communication 3 > Flashcards

Flashcards in Senses, Communication 3 Deck (12)
Loading flashcards...
1
Q

Why is group living advantageous?

A

Reduces risk of predation and enhances survival

2
Q

What is the difference between dog and human vision?

A

Dogs=dichromatic- 2 cones

Humans=trichromatic-3 cones

3
Q

What does dichromatic vision mean for determining colours?

A

Struggle to distinguish between red and green

4
Q

What is the tapetum lucidum? And what does it do?

A

It is a reflective layer at the back of the eye that reflects light back onto receptors

Can see in low light

5
Q

How many times worse is visual acuity in dogs compared to humans?

A

4 to 8 times worse

6
Q

What sort of vision do birds have?

A

Tetrachromatic vision: can see UV

7
Q

What needs to be taken into consideration when managing the welfare of an animal on the basis of sound?

A

Animals have better hearing than humans so may be able to hear things we can’t, therefore need to take sound into account when they become distracted/fearful

8
Q

What does the vomeronasal organ do?

A

Detects pheromones

Flehman response in horses to determine a mare’s oestrus stage

9
Q

What are the modes of communication in animals?

A
Scent 
Pheromones
Body language 
Vocalisations 
Touch
10
Q

What does the dog appeasing pheromone (DAP) do?

A

Helps the animal to feel calm and remove stress

11
Q

How would you describe an animal’s territory?

A

An area/home range an animal defends by fighting, signals or demarcation that other individuals detect

12
Q

What are the positives of play?

A

Benefit for adult life: enhances neural development, motor and social skills