Short citeauthor for bib (backend biber)

Question

I want to cite the authors of a publication. Say "A. Foo, B. Bar, and C. FooBar".
Using citeauthor from biblatex with Biber backend it produces:

Foo, Bar and FooBar.

Great!
I am looking for some command (something like shortciteauthor maybe) that produces only the name from the first author with "et al." afterwards.
So instead of above I only want

Foo et al.

Is there something like this? Sorry for not providing a MWE I didn't come up with something really short enough.

moewe · Accepted Answer

Use the starred version citeauthor*
documentclass[british]{article}
usepackage[T1]{fontenc}
usepackage[utf8]{inputenc}
usepackage{babel}
usepackage{csquotes}

usepackage[style=authoryear, backend=biber]{biblatex}

addbibresource{biblatex-examples.bib}

begin{document}
citeauthor*{aksin}

citeauthor{aksin}

citeauthor*{companion}

citeauthor{companion}

printbibliography
end{document}

Note that if you use the natbib compatibility mode (natbib=true,, Is there a disadvantage to using natbib=true with biblatex?), the meaning of citeauthor* is inverted: it prints all authors. In that case you can restore the original citeauthor* which only prints the first author by adding
DeclareCiteCommand*{citeauthor}
  {boolfalse{citetracker}%
   boolfalse{pagetracker}%
   usebibmacro{prenote}}
  {ifciteindex
     {indexnames{labelname}}
     {}%
   printnames[][1-1]{labelname}}
  {multicitedelim}
  {usebibmacro{postnote}}

to your preamble.

Short citeauthor for bib (backend biber)

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