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B1 (Intermediate)Vocabulary

Nature, Animals and Conservation

Learn 20 B1 English words for nature and conservation - species, habitat, endangered, die out, conservation, migrate - plus number vs amount.

This topic appears in Cambridge reading papers more often than almost any other, and it has a vocabulary you cannot guess your way through: species, habitat, endangered, conservation. It also contains one of the strangest nouns in English – species, which is spelled exactly the same whether there is one or a thousand. The tutor tip settles that, along with number versus amount, which examiners notice every time. Twenty words, then a man who counted birds.

20 words to learn

The 20 words

speciesnoun

/ˈspiːʃiːz/

A type of animal or plant. Same word singular and plural.

One species of owl, four species of bat.

habitatnoun

/ˈhæbɪtæt/

The natural home of an animal or plant.

Losing the habitat is what kills the animal.

wildlifenoun

/ˈwaɪldlaɪf/

Animals and plants living in natural conditions. Uncountable.

The wildlife came back faster than anyone expected.

ecosystemnoun

/ˈiːkəʊsɪstəm/

All the living things in one area and how they affect each other.

Remove one animal and the whole ecosystem shifts.

endangeredadjective

/ɪnˈdeɪndʒəd/

At serious risk of disappearing completely.

It is endangered, which is not the same as gone.

extinctadjective

/ɪkˈstɪŋkt/

No longer existing anywhere. Noun: extinction.

Once a species is extinct there is no route back.

die outverb

/daɪ ˈaʊt/

To disappear gradually until none are left.

Three species can die out in one bad decade.

wipe outverb

/waɪp ˈaʊt/

To destroy completely and quickly.

One disease can wipe out a whole population.

conservationnoun

/ˌkɒnsəˈveɪʃn/

Protecting nature from damage and loss.

Conservation is mostly paperwork and patience.

nature reservenoun

/ˈneɪtʃə rɪˌzɜːv/

Land protected so wildlife can live there safely.

The nature reserve was a flooded gravel pit.

preserveverb

/prɪˈzɜːv/

To keep something as it is, and stop it being damaged.

You cannot preserve a wood by fencing it and leaving.

poachingnoun

/ˈpəʊtʃɪŋ/

Illegally hunting or catching protected animals.

Poaching is not a distant problem.

captivitynoun

/kæpˈtɪvəti/

Being kept in a cage or enclosure, not in the wild.

Born in captivity, released at eighteen months.

breedverb

/briːd/

To produce young. Past: bred. Also: to keep animals to produce young.

They will not breed if people walk too close.

releaseverb

/rɪˈliːs/

To set an animal free.

We release them at dawn, always.

rescueverb

/ˈreskjuː/

To save an animal from danger or harm.

Most of what we rescue is not rare at all.

predatornoun

/ˈpredətə(r)/

An animal that hunts and eats other animals.

The main predator there is the domestic cat.

preynoun

/preɪ/

An animal that is hunted and eaten. Uncountable.

No prey means no owls, however good the wood is.

migrateverb

/maɪˈɡreɪt/

To travel a long distance at the same time each year.

They migrate in September, more or less on time.

deforestationnoun

/ˌdiːfɒrɪˈsteɪʃn/

Cutting down forests over a large area.

Deforestation is a habitat problem before it is a carbon one.

Now read the story

Story · all 20 words

The Man Who Counted Birds

The nature reserve nearest my house is a flooded gravel pit behind an industrial estate, and it is one of the least beautiful places I have ever loved.

There is a motorway on the eastern side. You can hear it from every hide. The water is there because somebody dug sand out of the ground until 1974 and then stopped, and the whole thing filled up on its own, and now it is legally protected land.

I started going because a man called Ken asked me to, in a car park, in the rain, having decided on no evidence that I looked like somebody with a free Saturday.

Ken counted birds. That is not a hobby he had; it is closer to a job he was not paid for. Every fortnight for thirty-one years he walked the same route in the same order and wrote down every species he saw and how many, in pencil, in identical notebooks.

I thought at first this was a slightly eccentric way of enjoying himself. It is not. It is the reason anybody knows anything.

You cannot argue that a habitat is in trouble without numbers, and numbers only exist because somebody stood in a field for three decades writing them down. When the county council proposed a road through the eastern edge in 2011, the thing that stopped it was Ken’s notebooks – specifically, eleven years of counts showing that a particular warbler came back to that exact hedge every spring to breed.

Nobody at the inquiry cared how much Ken loved the place. They cared that he had written it down.

What I learned from him about conservation is that it is almost entirely unglamorous. It is drainage, and fencing, and cutting willow so the reed bed does not turn into a wood, and arguing about a footpath for two years. You cannot preserve a wetland by admiring it. If we stopped managing that reserve tomorrow it would be dry scrub in fifteen years and the birds would simply go.

The wildlife there is not rare. That surprised me. Almost nothing on that water is endangered, nothing is close to extinct, and the reserve exists to protect ordinary things – lapwings, sedge warblers, a lot of frogs.

Ken used to say that by the time a species is famous it is usually too late, and that most things do not die out dramatically. They thin out, quietly, over forty years, while everybody assumes somebody else is watching.

The one bad year was 2018, when something got into the tern raft in June – probably mink, possibly a fox that could swim better than we thought – and we lost the entire colony in a night. One predator can wipe out a season’s work while you are asleep. Ken wrote the count as zero and drew a small line under it and did not say anything for the rest of the morning.

They came back in 2020. Fewer, but they came back.

I have never been involved in the parts of this that make the news. I have never seen poaching, I have nothing to say about deforestation in places I have not been, and the only animals I have helped to rescue were a swan with fishing line round its leg and, once, memorably, a hedgehog in a cattle grid. We do not raise anything in captivity and we do not release anything – the birds arrive on their own or they do not.

Half of them migrate. That is the part I still find genuinely difficult to believe, standing on a motorway embankment in Bedfordshire, that some of these birds were in Senegal in February.

A wetland is a machine with a great many moving parts. The reeds need water, the fish need the reeds, the birds need the fish, and the whole ecosystem holds together only if there is enough prey at the bottom of it. Remove one thing and you do not get the same place minus one thing. You get a different place.

Ken died in 2022. The notebooks are with the county recorder, and somebody else walks the route now, and I go on the first Saturday of the month and count what I can identify, which is perhaps a third of what he could.

Upgrade your English

This vocabulary cannot be improvised – there is no everyday phrase for most of it. That is exactly why it appears in exams.

a type of animal a species
the place an animal naturally lives its habitat
animals and plants in the wild wildlife
in danger of disappearing endangered
gone completely, for ever extinct
slowly disappear until none are left die out
destroy completely and quickly wipe out
land protected for animals a nature reserve
an animal that hunts others a predator
travel a long way each year migrate
Tutor tip

Species never changes. It is spelled the same for one and for many, and the singular specie does not exist in this meaning:

one species of owl   ✓ four species of owl
one specie   ✗ four specieses

The verb follows the meaning: this species is rare but these species are rare. The same pattern applies to series and means.

Number or amount? This is the error examiners notice most in this topic, and the rule is simple:

number + countable: the number of species, a large number of birds
amount + uncountable: the amount of habitat, a large amount of water

a large amount of animals   ✓ a large number of animals

The same split governs many / much, few / little and fewer / less: fewer birds, less water.

Nature takes no article when you mean the natural world:

animals living in the nature   ✓ animals living in nature / in the wild

But the environment always takes the. The two behave differently, which is unfair and simply has to be learned.

Endangered, extinct or died out? Endangered means still here but at serious risk. Extinct means gone completely and permanently – it is an absolute, so avoid very extinct or more extinct. Die out is the gradual process; wipe out is fast and usually caused by something specific.

Wildlife and prey are uncountable – no plural, no a. Say a lot of wildlife, plenty of prey. Deforestation and conservation are uncountable too.

Breed works two ways: animals breed by themselves (no object), and people breed animals (with an object). Past tense is bred, not breeded.

Quick recap

The living world: species, habitat, wildlife, ecosystem, predator, prey.
Losing it: endangered, extinct, die out, wipe out, poaching, deforestation.
Saving it: conservation, nature reserve, preserve, rescue, release, captivity, breed.
Movement: migrate.

The rules: species is the same singular and plural. Number of birds, amount of water. In nature takes no article, but the environment does.

Exam task: describe a wild place near you. Use habitat, species and either number of or amount of – correctly. Four sentences.

Now practise with the questions below.

Check your understanding

Answer the questions below. You will see instantly if you are right.

1.Which sentence is correct?
<em>Species</em> is the same singular and plural.
2.Which sentence is correct?
<em>Number</em> + countable nouns.
3.Which sentence is correct?
<em>Amount</em> + uncountable nouns.
4.Which sentence is correct?
<em>Fewer</em> for countable, <em>less</em> for uncountable.
5.Which sentence is correct?
<em>In nature</em> takes no article - unlike <em>the environment</em>.
6.A species that still exists but is at serious risk is ___.
Endangered. <em>Extinct</em> means already gone.
7.Which sentence is correct?
<em>Extinct</em> is absolute - there are no degrees of it.
8.To disappear gradually until none are left is to ___.
Die out. <em>Wipe out</em> is fast and has a cause.
9.The natural home of an animal is its ___.
Habitat.
10.An animal that is hunted and eaten is ___.
Prey - and it is uncountable, so no <em>a</em> and no plural.
11.Which sentence is correct?
Wildlife is uncountable.
12.What is the past tense of <strong>breed</strong>?
Bred.
13.Land protected so wildlife can live there safely is a ___.
A nature reserve.
14.Illegally hunting protected animals is called ___.
Poaching.
15.Which answer would score highest in a B1 speaking exam?
Correct <em>habitat</em>, <em>species</em> and <em>number of</em>, with a reason attached.

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