talk test

Question 1

scientific classification: order

Answer 1

Cetacea

Question 2

scientific classification: suborder

Answer 2

Odontoceti

Question 3

scientific classification: family

Answer 3

Delphinidae

Question 4

scientific name

Answer 4

tursiops truncatus

Question 5

what is the average surface water temperature they are found in?

Answer 5

50-90 degrees f

Question 6

What are dolphins that live in a home range called?

Answer 6

local residents

Question 7

What do groups of dolphins that reside within a home range make up?

Answer 7

resident communities

Question 8

what are large groups of dolphins (up to 200 individuals) called?

Answer 8

super pods

Question 9

what is the estimated worldwide population of bottlenose dolphins?

Answer 9

600,000

Question 10

average length and weight of an adult

Answer 10

6.6-12.8 ft & 331.5-422 lbs

Question 11

how much thicker a dolphin’s outer layer of skin compared to terrestrial mammals?

Answer 11

10-20 times thicker

Question 12

what is the average length from tip to tip of tail flukes?

Answer 12

23.4 in or 20% of their total body length

Question 13

how many cone shaped teeth do dolphins have?

Answer 13

72 to 104

Question 14

what frequency range do dolphins hear at?

Answer 14

up to 160 kHz

Question 15

what frequency range are dolphins most sensitive to?

Answer 15

40-100 kHz

Question 16

dolphins retinas contain both rods and cones which indicate what?

Answer 16

they may have the ability to see in both dim and bright light

Question 17

what cones do dolphins eyes lack and what does that mean?

Answer 17

they lack s-cone cells and therefore aren’t able to discriminate color in the blue wavelength

Question 18

what is their routine swim speed?

Answer 18

3-7 mph

Question 19

that is their max swim speed?

Answer 19

18-22 mph

Question 20

how much lung air is exchanged with each respiration?

Answer 20

80%

Question 21

what is a bottlenose dolphins respiratory rate?

Answer 21

1.5-4 breaths per minute

Question 22

how deep do bottlenose dolphins regularly dive?

Answer 22

10-150 ft

Question 23

what’s the breath hold capacity of a bottlenose dolphins?

Answer 23

12 minutes

Question 24

what is a bottlenose dolphins core body temperature?

Answer 24

96.8-98.6 degrees F

Question 25

a bottlenose dolphins body fat accounts for how much of their body weight?

Answer 25

18-20%

Question 26

how long do bottlenose dolphins sleep a day?

Answer 26

about 33% of the day

Question 27

what frequency range are the sounds produced by bottlenose dolphins in?

Answer 27

0.2 to 150 kHz

Question 28

signature whistles are in what frequency range and last how long?

Answer 28

7-15 kHz and less than one second

Question 29

echolocation is most effective at what range?

Answer 29

close ranges of 16-656ft

Question 30

how much food does an adult bottlenose dolphin eat per day?

Answer 30

4-6% of their body weight

Question 31

how much food does a nursing mother dolphin eat per day?

Answer 31

8% of their body weight

Question 32

average group size of bottlenose dolphins?

Answer 32

2-15 individuals

Question 33

how long do calfs stay with their mother?

Answer 33

3-6 years

Question 34

when is a female sexually mature?

Answer 34

5-12 yrs and 7.2-7.6 ft

Question 35

when is a male sexually mature?

Answer 35

10-13 yrs and 8-8.5 ft

Question 36

how big are calfs at birth?

Answer 36

approximately 39-53 in long and 22-44 lbs

Question 37

milk composition

Answer 37

33% fat 6.8% protein 58% water traces of lactose

Question 38

bottlenose dolphins in managed care are expected to live how long?

Answer 38

more than 25 years

Question 39

how often is their outermost layer of skin shed and what does it help with?

Answer 39

every two hours which helps reduce drag while swimming

Question 40

what does blubber store and why?

Answer 40

calories to provide energy when food is in short supply

Question 41

how long do calves nurse for?

Answer 41

up to 18 months