Animal Sounds Flashcards
1
Q
2 types of vocalisations in birds
A
- Calls
- Songs
2
Q
Bird calls: Characteristics
A
- Short and simple
- Given by either sex
3
Q
Bird call: Functions
A
- Used for coordinating behaviour
- Identify family members
- Alert flock to predators
- Share information about food
4
Q
Bird songs: Characteristics
A
- Longer and more complex
- Specific repeated patterns
- Primarily male birds
- Can be innate or learned
5
Q
Bird songs: Functions
A
- Attract mate
- Defend territory
6
Q
Stridulation
A
Noise made by rubbing specialized body structures together
7
Q
Why is sound important in aquatic environments?
A
- Visibility and smell is limited
- Sound travels faster and farther in water than in air
8
Q
Underwater sounds: Functions
A
- Social interactions
- Coordinating feeding/hunting
- Navigation
- Attracting mates
9
Q
Humpback whale song
A
- Consists of 4-6 themes sung in a loop
- Typically lasts 10-15 minutes
- Surface to breathe between loops
- A song session can last for hours
- Sung only by males
- Song changes over time, but all singers in population sing same version at any time
10
Q
How do fish make sounds
A
Cause swim bladder to contract and expand rapidly, creating a drumming noise
11
Q
Fish sounds: Functions
A
- Court females
- fright response
12
Q
Non-avian reptiles sounds
A
Generally pretty quiet
* Few lizards use vocalizations
* Crocodilians use a range of vocalizations
* Turtles and snakes hiss
13
Q
Amphibian sounds
A
- Vocal sac
- Sound resonating throat pouch
