birds {FlyingR}

Sample 28 birds

Description

Preset birds data, extracted from Flight Pennycuick(2008). Fat mass percentage generated randomly where zero.

Usage

birds

Format

A data frame with 28 observations and 5 variables not counting the name.

Scientific.name

Name of bird species

Empty.mass

Body mass in Kg. Includes fuel (fat mass). In this case the crops were empty but otherwise one should always use the all-up mass (body mass + crop)

Wing.span

Length of wings spread out in meters

Fat.mass

Mass of fat that is consumable as fuel in Kg

Order

Order of the species (passerine = 1 vs non-passerine = 2)

Wing.area

Area of both wing projected on a flat surface in meters squared

Muscle.mass

Mass in Kg. of flight muscles