Birds are the fluctuating check on insect life, the safety valve as it were; they congregate where they find insects, regardless of their species or habits, and constantly consume the superfluous and the superabundant insect life.


Indian Insect Pests, Part II, Chapter V (p. 67)


Birds are the fluctuating check on insect life, the safety valve as it were; they congregate where they find insects, regardless of their species or...

Birds are the fluctuating check on insect life, the safety valve as it were; they congregate where they find insects, regardless of their species or...

Birds are the fluctuating check on insect life, the safety valve as it were; they congregate where they find insects, regardless of their species or...

Birds are the fluctuating check on insect life, the safety valve as it were; they congregate where they find insects, regardless of their species or...