expp (version 1.2.4)

bluetit_breeding: Blue Tit breeding data.

Description

Breeding data recorded for two Blue Tit populations in Kolbeterberg, Vienna, Austria (1998 through 2004) and Westerholz, Bavaria, Germany (2007 through 2011) . The data set contains breeding attempts locations, the respective social pair, and several individual and nest parameters.

Format

A data frame with 1025 observations on the following 10 variables.

• year_ numeric. The year of the observation.

• id numeric. The identity of the nest box in which the breeding attempt took place.

• x numeric. The east-west location of the nest box.

• y numeric. The north-south location of the nest box.

• female character. The identity of the female.

• male character. The identity of the male.

• layingDate numeric. The day of the year when the first egg was produced.

• male_age character. The age class of the male ('juv' = 1st year breeder; 'adult' = older)

• male_tarsus numeric. tarsus length (mm))

• study_area character. The study area name.

Examples

# NOT RUN {
data(bluetit_breeding)
head(bluetit_breeding)

# }