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12 countries with the greatest bird species density

10,000 Birds

The mongabay.com portal has compared data on a unit of area basis of the percentage of the total global number of species of birds, amphibians, mammals, reptiles, fish and vascular plants. The bird figures were compiled from avibase.bsc-eoc.org in late November 2018, following the Clements list.

Gambia 244
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Hornbills of Sabah

10,000 Birds

Presumably, the species also not only eats fruit but also mammals and possibly birds –the HBW specifically mentions the species catching bats emerging from caves at dusk, and feeding them to juveniles. Another advantage to ballistic food transport is that the fruit seeds are protected from damage when they are swallowed whole.

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Peterson Field Guide to North American Bird Nests: A Field Guide Review

10,000 Birds

Species are organized by family and families are arranged in taxonomic order according to American Ornithological Society’s Checklist of North American Birds , 7th edition through the 59th Supplement (2018). The male House Wren builds dummy nests, attracting a mate who then selects her nest and completes construction. David Scott.

Eggs 244