In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank. Comprehension:
The pattern of birds flocking to Pakhal lake has been observed over several years. So far, (1) ______ than 190 bird species (2) ______ been identified and this is one of the best (3) ______ in the state for bird-watchers to (4) ______ . In fact, we can spot (5) ______ 80 species of birds in a single day.
Select the most appropriate option to fill in blank No.4.
Identify the most appropriate option to substitute the underlined segment. If no substitution is required, select No substitution. The shoebill stork can be recognise from its long legs and broad wings.