Morphometrics Dataset

The morphometrics.csv file contains morphological measurements for birds captured and retrapped in a study area. The dataset includes information on species, age, sex, weight, and various body measurements.

File Format

The CSV file has no index column, and the first row contains the column names. The column names provide descriptive labels for each variable in the dataset.

Variable Descriptions

Column Name	Explanation
record_type	Indicates whether the record is a physical capture (physical) or a remote detection of the PIT tag (diurnal).
retrap	Whether the record is a retrap or a new capture.
bto_ring	The BTO (British Trust for Ornithology) ring number of the bird.
pit_tag	The PIT (Passive Integrated Transponder) tag number of the bird.
pit_tag_state	The state of the PIT tag (e.g., missing, present, fitted).
species	The species of the bird (g = great tit)
age	The age of the bird (BTO age code).
sex	The sex of the bird.
sexing_method	The method used to determine the sex of the bird.
date_time	The date and time of capture or retrap.
year	The year of capture or retrap.
region	The region where the bird was captured or retrapped (wyt = Wytham Woods).
location	The location where the bird was captured or retrapped.
fieldworker	The name of the fieldworker who captured or retrapped the bird.
wing_length	The length of the bird's wing (maximum flattened chord)
weight	The weight of the bird.
bill_length_method	The method used to measure the length of the bird's bill.
bill_length	The length of the bird's bill.
bill_depth_method	The method used to measure the depth of the bird's bill.
bill_depth	The depth of the bird's bill.
tarsus_length_method	The method used to measure the length of the bird's tarsus.
tarsus_length	The length of the bird's tarsus.
fat	The amount of fat on the bird.
fat_method	The method used to measure the amount of fat on the bird.
pectoral_muscle	The size of the bird's pectoral muscle.
pox	Indicates whether the bird has visible pox growths.
leg_condition_description	A description of the bird's leg condition.
tick_description	A description of any ticks found on the bird.
comment	Any additional comments about the bird.