WORD FORM New Zealand's native-bird body odour is so strong, it's alerting predators to the birds' (0) ...ongoing research shows. The smells may drive some species to (1) ...Many bird scents stem from a gland that produces waxes (2) ...to keeping feathers healthy. In Europe and the Americas, birds' bodies alter this wax during the (3) ...season. During this period the wax's (4) ...changes in a way that reduces smells and keeps the birds' nests less (5) ...by predators that use their noses to find food. Native New Zealand birds did not do this and their smells are remarkably (6) ... Scientists say they have (7) ... that New Zealand's birds may be so pungent largely because they were able to get away with it for so long. Native birds never had to mask their scents to improve their (8) ...chances. But things eventually changed when rats and cats were introduced into the islands. (9) ...of the nests was easy for animals with such good noses. Now many Native New Zealand birds are listed as (10) ...byconservation organisations. One solution might be to put some kind of deodorant into the smelly nests in order to prevent predators finding them. |
0-presence
1-extinction
2-essential
3-breeding
4-composition
5-detectable
6-pleasing
7-suspect
8-survival
9-covering
10.threatened