Due to the colonization of tropical Pacific islands by humans,more than $............$ species of native birds became extinct.

What is common to the species shown in figures $A$ and $B$?

Which endangered animal is the source of the world's thinnest, lightest, warmest, and most expensive wool?

Assertion: Tropical rain forests are disappearing fast from developing countries such as India.
Reason: No value is attached to these forests because these are poor in biodiversity.

$A$: Habitat destruction is the main reason for the loss of biodiversity.
$R$: This actually causes an increase in edge area and a reduction in core area.

Identify the incorrect match with respect to recently extinct animals and their place of extinction according to the $IUCN$ Red List.