The graph below shows the population figures of different types of wild birds in the one country between 1970 and 2020. Summarize the information by selecting and reporting the main features and make comparisons where relevant

The line graph illustrates the

number

of four different groups of wild bird populations in

the

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apply

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one country from 1975 and 2020. The four different groups were coastal, woodland, farmland and all

species

. After a brief climb from 110 thousand birds in 1975, the figures for all types of wild birds declined by around 20,000, except for the 20

species

of coastal birds rose gradually from 110,000 to 140,000 from 1975 to 1993 and maintained at around 135,000 until 2020. The

number

of all

species

and woodland

species

fluctuated in the group from 100,000 to 115,000 from 1975 to 1995.

Then

, all

species

grew gradually back to 110,000

whereas

woodland

species

merely rose to 90,000. The

number

of farmland

species

population dropped significantly to hit the bottom of the graph from 110,000 to 60,000 from 1975 to 2001 and kept at approximately 55,000 until 2020.

Overall

, from 1975 to 2020, coastal

species

showed an upward trend

whereas

woodland and farmland dropped downward.

In addition

,

although

all

species

fluctuated in

this

period of time, the

number

roughly remained the same.