Skip to contents

The dataset sparrow_morph was extracted from Hermon Bumpus (1898) and records morphological variables in sparrows that survived or perished after a severe storm. It is one of the earliest examples of a natural selection dataset in ecological studies.

Usage

data(sparrow_morph)

Format

A data frame with 49 observations and 6 variables:

Survivorship

Survival status of the sparrow (factor with 2 levels: survived or perished)

Total_length

Total body length (numeric)

Alar_extent

Wing (alar) extent (numeric)

L_beak_head

Length from beak to head (numeric)

L_humerus

Length of humerus (numeric)

L_keel_sternum

Length of keel of sternum (numeric)

Source

Data extracted from Hermon Bumpus (1898), as reproduced in multiple ecological datasets.