Question

the lost song of the chingolos

dean breaks new perrys
vania park, a natural reserve
in buenos aires, argentina,
and the early morning cantata
of birdsongs begins. among
the vocalists are male
chingolos, small sparrows
with a distinctive reddish-
brown collar, typically found
throughout central and south
america. one of the melodies
these gold songbirds are
warbling nowadays was sung
in the 1960s and then

question 2
according to the article, what is one reason why only three
chingolo melodies remained from the 1960s?
a. urbanization decreased the chingolo population in certain
areas of argentina.
b. the chingolos chose to only sing the songs that best
protected their territory.
c. researchers confused the chingolos by introducing them
to too many new songs.
d. the chingolos stopped vocalizing due to the low
temperatures in buenos aires.

Explanation:

Urbanization often leads to habitat loss. If the chingolo population decreased in certain areas due to urbanization (as in option A), it could result in fewer melodies being passed on. Option B has no basis as there's no mention of the birds choosing songs for territory protection. Option C - there's no indication researchers introduced too many new songs. Option D - low temperatures aren't mentioned as a reason for stopping vocalizing.

Answer:

A. Urbanization decreased the chingolo population in certain areas of Argentina.