This question makes use of a data set collected in $1898$ of measurements on $136$ sparrows that were found freezing and brought to a laboratory at Brown University. Of the $136$ sparrows, $72$ survived and $64$ died.

The data set sparrows.csv contains the following variables:

X$1$ sex $1$ if male, $0$ if female

X$2$ survive $1$ if sparrow survived, $0$ if it died

X$3$ length Total length $($mm$)$

X$4$ alar Alar $($wings$)$ extent $($mm$)$

X$5$ weight Weight $($g$)$

X$6$ lbh Length of beak and head $($mm$)$

$24$X$7$ lhum Length of humerus $($mm$)$

X$8$ lfem Length of femur $($mm$)$

X$9$ ltibio Length of tibio$-$tarsus $($mm$)$

X$10$ wskull Width of skull $($mm$)$

X$11$ lkeel Length of keel to sternum $($mm$)$

I have a following boxplot generated from the dataset sparrows.csv :

would be please possible to explain to me what is depicted on the boxplot and what should I look for when analysing it$.$