AVONICHE: A global dataset of dietary and foraging niches for birds

The role of each animal species in an ecosystem is largely determined both by the resources it uses and the behaviours through which these resources are obtained. Even in well-studied vertebrate groups, like birds, quantitative data on the relative use of different food resources in the context of foraging strategies is generally lacking. Most analyses in macroecology, macroevolution, and conservation biology are therefore limited to simplified dietary categories, ignoring the specific foraging behaviours and substrates used to access resources. Here we present AVONICHE, a dataset quantifying proportional membership in 32 foraging niches, representing a combination of dietary categories and associated foraging strategies used by all bird species. The dataset includes species-level information on the proportional use of the 32 foraging niches, each of which is defined as a particular foraging strategy within a specific dietary category (e.g., invertebrate feeding is subdivided into ..., , # AVONICHE: A global dataset of dietary and foraging niches for birds

Dataset DOI: [10.5061/dryad.1zcrjdg56](10.5061/dryad.1zcrjdg56)

## Description of the data and file structure

The dataset includes species-level information on the proportional use across 32 foraging niches, each of which is defined as a particular foraging strategy within a specific dietary category. The data includes information for all extant bird species (Class Aves). To allow integration with a global phylogeny and other data resources, we align species-level niche data with four different taxonomic treatments: BirdTree (9,993 species), Clements/eBird (10,661 species), BirdLife International (10,999 species), and the new AviList taxonomy (10,981 species).

### Files and variables

#### File structure

The AVONICHE dataset is composed of 4 main datasets:

1. **Avoniche1_Birdlife2020.csv**: Dataset with quantitative information on dietary and foraging niches for 10,999 species following the BirdLife Internationa...,

生态系统中每一动物物种所扮演的生态角色，在很大程度上由其利用的资源以及获取这些资源的行为共同决定。即便在研究较为深入的脊椎动物类群（如鸟类）中，围绕觅食策略展开的不同食物资源相对利用情况的定量数据仍普遍缺失。因此，宏生态学、宏演化与保护生物学领域的多数分析仅能局限于简化的饮食类别，却忽略了用于获取资源的特定觅食行为与觅食基质。
在此我们发布AVONICHE数据集，该数据集量化了所有鸟类物种在32个觅食生态位中的比例占比；这些觅食生态位均为特定饮食类别与对应觅食策略的组合。数据集包含物种级别的32个觅食生态位比例使用信息，每个生态位均被定义为特定饮食类别下的某一特定觅食策略（例如，无脊椎动物取食可被细分为……）。
# AVONICHE：全球鸟类饮食与觅食生态位数据集
数据集DOI：[10.5061/dryad.1zcrjdg56](10.5061/dryad.1zcrjdg56)

## 数据与文件结构说明
本数据集包含所有现存鸟类（鸟纲Aves）的物种级32个觅食生态位比例使用信息，每个生态位均被定义为特定饮食类别下的某一特定觅食策略。为适配全球系统发育树与其他数据集的整合需求，我们将物种级生态位数据与四种不同的分类学处理方案进行了对齐：BirdTree（涵盖9993个物种）、Clements/eBird（涵盖10661个物种）、国际鸟类联盟（BirdLife International，涵盖10999个物种）以及全新的AviList分类体系（涵盖10981个物种）。

### 文件与变量
#### 文件结构
AVONICHE数据集由4个主要数据集组成：
1. **Avoniche1_Birdlife2020.csv**：基于BirdLife International分类体系的10999个物种的饮食与觅食生态位定量信息数据集……