IELTS-G 13 Listening test 1 section 4

the 31Fill in the blank 1 of 1 – because of its general adaptability

the pigeon – because walls of city buildings are similar to 32Fill in the blank 1 of 1

In fact, many urban animals are adapting with unusual 33Fill in the blank 1 of 1

She found the size of their 34Fill in the blank 1 of 1 had increased.

She suggests this may be due to the need to locate new sources of 35Fill in the blank 1 of 1 and to deal with new dangers.

Catarina Miranda focused on the 36Fill in the blank 1 of 1 of urban and rural blackbirds.

She found urban birds were often braver, but were afraid of situations that were 37Fill in the blank 1 of 1

He found that some animals respond to 38Fill in the blank 1 of 1 by producing lower levels of hormones.

Sarah Partan’s team found urban squirrels use their 39Fill in the blank 1 of 1 to help them communicate.

Species of animals may develop which are unique to cities.However,some changes may not be 40Fill in the blank 1 of 1