Definition of "helleri" []

• Heller (attributive); used in taxonomic names for organisms having English names of the form "Heller's ..." (adjective)

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• "Several of the areas endemic birds have very limited ranges; for example, the Taita thrush (Turdus helleri, CR) and Usambara akalat (Sheppardia montana, EN), occur only in a few square kilometers of forest in the Taita Hills and West Usambaras, respectively, while the Uluguru bush-shrike (Malaconotus alius, EN) lives only in a single forest reserve in the Uluguru Mountains."
• "Examples of these endemic cacti are the lava cactus (Brachycereus nesioticus) and prickly pear cacti (Opuntia echios and O. helleri)."
• "Species with limited distributions include the Taita thrush (Turdus helleri, CR) and Taita apalis (Apalis fuscigularis, CR) which only occur in a few square kilometers of forest in the Taita hills."