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Table 2 Classification of avian feeding guild based on predominant diet

From: Habitat heterogeneity influences avian feeding guild composition in urban landscapes: evidence from Bhubaneswar, India

Feeding guild

Category

Food source

Frugivorous

Frugivore, fruit eater

Fleshy fruits

Carnivorous

Carnivore, raptor, predator

Large arthropods and vertebrate prey

Avivorous

Avivour, egg stealer

Birds

Granivorous

Granivore, seed eater

Grain, seeds, and nuts

Insectivorous

Insectivore, ant follower, woodpecker

Small arthropods

Molluscivorous

Molluscivore

Molluscs

Nectarivorous

Nectarivore, pollen eater

Nectar

Ophiophagous

Ophiophagus, reptile eater

Snake

Piscivorous

Piscivore

Fishes

Omnivorous

Omnivore, miscellaneous (animals and plant parts)

Plant (grain, seed, leaf, stem, root) and animal (insect, mollusc, fish, etc.)

Herbivorous

Herbivore, plant eater

Herbs and macrophytes (stem and roots)