Rhino Iguana Flashcards

1
Q

What is the range and habitat of the rhino iguana?

A

Scrubs and dry woodlands in Hispanola.

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2
Q

How long can a rhino iguana get?

A

Up to 4 1/2 feet.

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3
Q

What is the conservation status of the rhino iguana?

A

Vulnerable.

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4
Q

True or false? Only male rhino iguanas have significant facial horns.

A

True.

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5
Q

What year was the rhino iguana first discovered?

A

1789

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6
Q

How many subspecies of rhino iguana are there?

A

Two.

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7
Q

What was the name of the subspecies of rhino iguana that went extinct in the 1980s?

A

The Navassa island iguana.

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8
Q

What is the max amount a rhino iguana can weigh?

A

20 lbs

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9
Q

What is a tubercle?

A

A small, often hard growth found on bone or skin.

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10
Q

What are two ways that rhino iguanas use their hard scales?

A

They serve as protection from the sharp rocks in their habitat and they allow them to escape the grasp of other iguanas.

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11
Q

What are the four visible differences between male and female rhino iguanas?

A

Males have pointed horns, are larger overall, have more prominent jowls, and have special pheromone glands on the thighs.

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12
Q

What is the name of the only island where rhino iguana populations are stable?

A

Isla Beata

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13
Q

When is the rhino iguana active?

A

It is diurnal.

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14
Q

Rhino iguanas mainly flee for defense, but what will they use to fight if they feel threatened?

A

Their strong jaws and tails.

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15
Q

What do rhino iguanas eat?

A

They are primarily herbivores, but will also eat small reptiles and insects.

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16
Q

True or false, seeds will not grow if they pass through the digestive system of the rhino iguana.

A

False. They will actually germinate quicker.

17
Q

What is the role of the rhino iguana in its native habitat?

A

It is the prime seed distributor.

18
Q

How old are rhino iguanas when they are sexually mature?

A

Males: Four.
Females: Two.

19
Q

Are rhino iguanas territorial?

A

Yes.

20
Q

When does mating season for rhino iguanas occur?

A

May.

21
Q

How many eggs does the female rhino iguana lay?

A

Between 2 and 34.

22
Q

Do female rhino iguanas guard their nests?

A

Yes.

23
Q

True or false? Rhino iguanas eggs are among the largest of any lizard.

A

True.

24
Q

what is the incubation period of a rhino iguana?

A

85 days.

25
Q

How many rhino iguanas are left in the wild?

A

16,000

26
Q

What are some threats to the rhino iguana?

A

Habitat loss, poaching, natives eating them, and feral cats and mongoose.

27
Q

How are people helping rhino iguanas?

A

There are many captive breeding programs.

28
Q

How old can rhino iguanas get?

A

20 years.