[Babase] Male immigrant questions for Susan
Susan Alberts
babase@www.eco.princeton.edu
Wed, 24 Aug 2005 12:23:01 -0400
>Hi Susan,
>
>I have a few questions for you regarding two new immigrant males
>seen in Viola's group last March. On 22 March 2005, a young adult
>male and a young juvenile male were censused as present in the
>group. The young adult male was not seen again and was never named.
>The young juvenile male stayed with Viola's group through early
>April and was later named Sooty.
>
>The field demography note for Viola's group during this time period read:
>
>22 March 2005: Wabash and a young adult male who is a hybrid are in
>Viola's group today. The young adult male is very shy and he is
>keeping to a distance from the rest of the group but I'm sure it was
>because of observers. With him was a young juvenile male the size
>of EGO and also very shy and following that young adult male
>wherever he went. He is probably also from Ositeti and left the
>group to follow the young male. He is approximately 3 1/2 years
>old. We will give them names if they stay.
>
>25 March 2005: Wabash and the adult male seen on the 22nd of March
>05 are not with Viola's group today... Also the juvenile male is
>still present.
>
>28 March 2005: We named the juvenile male in Viola's group Sooty (SOO).
>
>Since the young adult male was never named, I couldn't think of a
>way include him in the Babase Census and Members tables for the
>group that day. Is that ok?
Right, he can't be included even via a demog note.
>
>Also, an official age estimate was never done on SOO. The only age
>info we have for him comes from the first field demography note
>quoted above - the team confirmed that no other age info was
>collected. Jeanne suggested I check the reference to EGO's age...
>EGO was born 25 December 2001 (bstatus = 0), so EGO's age in March
>2005 is approximately 3 1/4 years. I thought this coincided well
>with the team's estimate that SOO is about 3 1/2 years.
For juveniles, we don't do age estimates the same way we do with
adults -- we don't fill out that form. Instead we age them by
comparison with known-age juv males in the study population, as they
did here.
>
>Do you agree that I should give SOO a birth date of 21 September
>2001 (making him 3 1/2 years old on 22 March 2005)?
Yes.
>Also, what bstatus is appropriate?
Give it a 1. Age estimates by comparison with known juvs are pretty
good, will generally be to within a year unless they make a specific
note about it.
Susan
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Susan Alberts, Associate Professor
Department of Biology, Duke University, Box 90338, Durham NC 27708
phone 919-660-7272 fax 919-660-7293