```r
load("BCATLINC.df.rda")
str(caribou.df)
```

```
## Classes 'movetrack' and 'data.frame':	16270 obs. of  8 variables:
##  $ id      : Factor w/ 10 levels "238689385","238689395",..: 1 1 1 1 1 1 1 1 1 1 ...
##  $ time    : POSIXct, format: "2000-01-10 19:00:41" "2000-01-10 23:00:39" ...
##  $ lon     : num  -133 -133 -133 -133 -133 ...
##  $ lat     : num  60 60 60 60 60 ...
##  $ x       : num  -1939505 -1937351 -1937189 -1937150 -1937071 ...
##  $ y       : num  2803043 2802492 2801960 2801858 2801859 ...
##  $ nickname: Factor w/ 10 levels "BCAC1","BCAC2",..: 1 1 1 1 1 1 1 1 1 1 ...
##  $ study   : chr  "ABoVE: BC Atlin Caribou" "ABoVE: BC Atlin Caribou" "ABoVE: BC Atlin Caribou" "ABoVE: BC Atlin Caribou" ...
##  - attr(*, "metadata")=List of 6
##   ..$ study         : chr "ABoVE: BC Atlin Caribou"
##   ..$ projection    : chr "+proj=lcc +lat_1=50 +lat_2=70 +lat_0=40 +lon_0=-96 +x_0=0 +y_0=0 +ellps=GRS80 +datum=NAD83 +units=m +no_defs"
##   ..$ dateDownloaded: chr "2018-11-23 14:45:52"
##   ..$ citation      : chr "Polfus JL, Heinemeyer K, Hebblewhite M, Taku River Tlingit First Nation (2014) Comparing traditional ecological"| __truncated__
##   ..$ license       : chr "Data are for use only as part of NASA's Arctic-Boreal Vulnerability Experiment (ABoVE)."
##   ..$ dailymean     : logi FALSE
```