Consider the following statements regarding the decline in ecosystems as per the latest Living Planet Report:

1. Between 1992 and 2002, vulture populations in India declined by over 90% due to the widespread use of drugs like diclofenac and aceclofenac.

2. Open natural ecosystems in India, such as grasslands and deserts, have diminished over the last 50 years, leading to a significant decline in bird populations.

3. The Living Planet Report highlighted a 33% decline in grassland butterfly species across 22 countries over two decades.

Which of the statements given above is/are correct?