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Insect Pursuers

A number of passerines arc small equivalents of the Active I lunters, moving around in search of insects and pouncing on them or chasing them on sight.

Specialized Exploiters of Animals

A number of birds rely on other animals to provide their food. I lerils of animals attract parasites and disturb ground insects on which birds can feed. Army ants cause small creatures to flee in panic. The honeyguides rely on any animal including humans, that will break open bees' nests.

Opportunists

Some species do not restrict themselves to a particular type of food or method of finding it. They are able to eat many different types of food and quickly take advantage of any food supply as soon as the opportunity occurs. They may be seen feeding, like other birds, on insects, fruit, or seeds; they may hunt small animals or cat carrion, or they may scavenge at garbage dumps.

Stage 3

This part of the key brings you closer to identifying the bird you are considering. The categories from Stage Z are broken down, either to a precise species or to a small group that may contain it. Numbers after the names refer to the pages, or

Walking and Wading Birds parts of pages, on which the birds appear. This handbook contains descriptions of 819 species, out of some 9,600 known to exist - in other words, one in 11 of the world's birds. Bird species have been specially selected, so that the book covers

Larce

Flightless

Birds

Larce

Flightless

Birds

Ostrich 39

Ostrich 39

Rheas 38

Rheas 38

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