What are the 4 essential groups of birds ?
The four important group of birds are 1. Game Birds 2. Preying Birds, 3. Perching Birds and 4. Flightless Birds. Game birds are good runners but they cannot fly long distances. Their wings are short and round, but legs are massive. The beaks are also strongly built. Males are aggressive. One male maintains a harem of 3-4 females.