The correct answer is d) Thattekad Bird Sanctuary.
Thattekad Bird Sanctuary is a bird sanctuary in the Idukki district of Kerala, India. It is located about 100 kilometers from Kochi and 15 kilometers from Thodupuzha. The sanctuary is spread over an area of 12.5 square kilometers and is home to over 200 species of birds, including hornbills.
Hornbills are a family of birds that are found in tropical and subtropical regions of the world. They are characterized by their large, casqued beaks and their long, curved bills. Hornbills are often seen in pairs or small groups, and they are known for their loud calls.
The hornbills that are found in Thattekad Bird Sanctuary include the great hornbill, the rufous-necked hornbill, and the Malabar pied hornbill. The great hornbill is the largest hornbill in the world, and it is known for its distinctive black and white plumage. The rufous-necked hornbill is a smaller hornbill that is found in forests and woodlands. The Malabar pied hornbill is a medium-sized hornbill that is found in forests and grasslands.
Hornbills are an important part of the ecosystem, and they play a role in seed dispersal and pollination. They are also a popular tourist attraction, and many people visit Thattekad Bird Sanctuary to see these amazing birds.
The other options are incorrect because they are not bird sanctuaries. Parambikulam Wildlife Sanctuary is a tiger reserve in the Palakkad district of Kerala. Peppara Wildlife Sanctuary is a wildlife sanctuary in the Thiruvananthapuram district of Kerala. Neyyar Wildlife Sanctuary is a wildlife sanctuary in the Thiruvananthapuram district of Kerala.