Topic: [APPROVED] These species names are a headache: possum edition

Posted under Tag Alias and Implication Suggestions

The bulk update request #5473 is active.

remove implication didelphid (65) -> marsupial (46187)
remove alias didelphimorphia (0) -> didelphid (65)
remove alias didelphimorph (0) -> didelphid (65)
remove alias opossum (0) -> didelphid (65)
remove alias opposum (0) -> didelphid (65)
remove alias didelphidae (0) -> didelphid (65)
remove implication bushy-tailed_opossum (0) -> didelphid (65)
remove implication marmosa (0) -> didelphid (65)
remove implication marmosops (0) -> didelphid (65)
remove implication monodelphis (28) -> didelphid (65)
remove implication virginia_opossum (5206) -> didelphid (65)
remove implication water_opossum (21) -> didelphid (65)
remove implication didelphid_humanoid (3) -> didelphid (65)
remove implication didelphid_humanoid (3) -> marsupial_humanoid (60)
remove alias opossum_humanoid (0) -> didelphid_humanoid (3)

Reason: There are American opossums, often called possums, and Australian possums, often called possums. As you may guess, this is confusing. My goal is to finally resolve the tag names here to stop mistags and avoid any more confusion, because nobody knows what a didelphid is and possum is getting a lot of opossums in the list.

This first BUR just concerns the American variant, with the goal of redirecting the tags to american_opossum. As always, these kinds of BURs need to be done in two parts.

Part 2

imply american_opossum -> marsupial
alias didelphid -> american_opossum
alias didelphimorphia -> american_opossum
alias didelphimorph -> american_opossum
alias opossum -> american_opossum
alias opposum -> american_opossum
alias didelphidae -> american_opossum

imply bushy-tailed_opossum -> american_opossum
imply marmosa -> american_opossum
imply marmosops -> american_opossum
imply monodelphis -> american_opossum
imply virginia_opossum -> american_opossum
imply water_opossum -> american_opossum

alias didelphid_humanoid -> american_opossum_humanoid
alias opossum_humanoid -> american_opossum_humanoid

imply american_opossum_humanoid -> american_opossum
imply american_opossum_humanoid -> marsupial_humanoid

EDIT: The bulk update request #5473 (forum #375270) has been approved by @Rainbow_Dash.

Updated by auto moderator

The bulk update request #5474 is active.

remove alias phalangeriformes (0) -> possum (0)
remove alias australian_possum (493) -> possum (0)
remove alias phalangeriform (0) -> possum (0)
remove alias phalangeriforme (0) -> possum (0)
remove implication possum (0) -> marsupial (46187)
remove implication pygmy_possum (4) -> possum (0)
remove implication honey_possum (0) -> possum (0)
remove implication acrobatid (0) -> possum (0)
remove implication possum_humanoid (21) -> possum (0)
remove implication cuscus (1) -> possum (0)
remove implication petaurid (408) -> possum (0)
remove implication pseudocheirid (10) -> possum (0)
remove implication brushtail_possum (49) -> possum (0)
remove alias phalangeriform_humanoid (0) -> possum_humanoid (21)
remove implication possum_humanoid (21) -> marsupial_humanoid (60)
remove implication sugar_glider_humanoid (8) -> possum_humanoid (21)

Reason: This BUR is about the Australian possums, as described above. As always, these BURs need to be done in two parts.

My only uncertainty at the moment is with the possum tag itself; if we just alias it to australian_possum, it's still possible for mistags to occur from people who don't know any better. I'm tempted to make it a disambiguation, but I'm aware that these aren't always the cleanest solution.

Part 2

imply australian_possum -> marsupial

alias phalangeriformes -> australian_possum
alias phalangeriform -> australian_possum
alias phalangeriforme -> australian_possum

imply pygmy_possum -> australian_possum
imply honey_possum -> australian_possum
imply acrobatid -> australian_possum
imply possum_humanoid -> australian_possum
imply cuscus -> australian_possum
imply petaurid -> australian_possum
imply pseudocheirid -> australian_possum
imply brushtail_possum -> australian_possum

alias phalangeriform_humanoid -> australian_possum_humanoid

imply australian_possum_humanoid -> marsupial_humanoid
imply sugar_glider_humanoid -> australian_possum_humanoid

EDIT: The bulk update request #5474 (forum #375271) has been approved by @Rainbow_Dash.

Updated by auto moderator

The bulk update request #5475 is active.

create implication american_opossum (11238) -> marsupial (46187)
create alias didelphid (65) -> american_opossum (11238)
create alias didelphimorphia (0) -> american_opossum (11238)
create alias didelphimorph (0) -> american_opossum (11238)
create alias opossum (0) -> american_opossum (11238)
create alias opposum (0) -> american_opossum (11238)
create alias didelphidae (0) -> american_opossum (11238)
create implication bushy-tailed_opossum (0) -> american_opossum (11238)
create implication marmosa (0) -> american_opossum (11238)
create implication marmosops (0) -> american_opossum (11238)
create implication monodelphis (28) -> american_opossum (11238)
create implication virginia_opossum (5206) -> american_opossum (11238)
create implication water_opossum (21) -> american_opossum (11238)
create alias didelphid_humanoid (3) -> american_opossum_humanoid (12)
create alias opossum_humanoid (0) -> american_opossum_humanoid (12)
create implication american_opossum_humanoid (12) -> american_opossum (11238)
create implication american_opossum_humanoid (12) -> marsupial_humanoid (60)

Reason: Part 2 of the above BUR for american opossums.

EDIT: The bulk update request #5475 (forum #375287) has been approved by @Rainbow_Dash.

Updated by auto moderator

The bulk update request #5476 is active.

create implication australian_possum (493) -> marsupial (46187)
create alias phalangeriformes (0) -> australian_possum (493)
create alias phalangeriform (0) -> australian_possum (493)
create alias phalangeriforme (0) -> australian_possum (493)
create implication pygmy_possum (4) -> australian_possum (493)
create implication honey_possum (0) -> australian_possum (493)
create implication acrobatid (0) -> australian_possum (493)
create implication possum_humanoid (21) -> australian_possum (493)
create implication cuscus (1) -> australian_possum (493)
create implication petaurid (408) -> australian_possum (493)
create implication pseudocheirid (10) -> australian_possum (493)
create implication brushtail_possum (49) -> australian_possum (493)
create alias phalangeriform_humanoid (0) -> australian_possum_humanoid (6)
create implication australian_possum_humanoid (6) -> marsupial_humanoid (60)
create implication sugar_glider_humanoid (8) -> australian_possum_humanoid (6)
create alias possum (0) -> american_opossum (11238)

Reason: Part 2 of the BUR for australian possums (with the possum tag reaching a consensus internally)

EDIT: The bulk update request #5476 (forum #375288) has failed: Error: Alias would modify other aliases or implications through transitive relationships. (create alias possum_humanoid -> american_opossum_humanoid)

EDIT: The bulk update request #5476 (forum #375288) has failed: Error: Alias would modify other aliases or implications through transitive relationships. (create alias possum_humanoid -> american_opossum_humanoid)

EDIT: The bulk update request #5476 (forum #375288) has been approved by @Rainbow_Dash.

Updated by auto moderator

The bulk update request #5493 is active.

remove alias possum (0) -> american_opossum (11238)

Reason: Apologies for busting in on this like a gatecrashing jerk, but a tweak ought to be made. Possum should be aimed at Virginia_opossum rather than American_opossum since it's commonly used for that particular species rather than the 136 other opossums south of the border.

Follow-up BUR:

alias possum -> virginia_opossum

EDIT: The bulk update request #5493 (forum #375542) has been approved by @Rainbow_Dash.

Updated by auto moderator

vulpes_artifex said:
There are also opossums in South America that are sometimes called possums, and even if there weren't, it's still ambiguous.

It's really not ambiguous and I'm tired of the tag being cluttered. 99% of the use case is the o-possum.

rainbow_dash said:
It's really not ambiguous and I'm tired of the tag being cluttered. 99% of the use case is the o-possum.

There are literally multiple distinct animals called "possums". How is that not ambiguous?

vulpes_artifex said:
There are literally multiple distinct animals called "possums". How is that not ambiguous?

And bats can refer to the sports object, and bears are also a gay subculture, but at some point our tags should be catered to the most obvious answer rather than being restricted by every single possibility.

strikerman said:
And bats can refer to the sports object, and bears are also a gay subculture, but at some point our tags should be catered to the most obvious answer rather than being restricted by every single possibility.

The difference is that "possum" is only a slang term for the Virginia opossum, whereas it's the normal name for the Australian marsupials.

vulpes_artifex said:
The difference is that "possum" is only a slang term for the Virginia opossum, whereas it's the normal name for the Australian marsupials.

Australian marsupials are already tag implicated for Australian_possum and in that situation Possum is just one common name for Phalangeriformes including gliders and cuscus

vulpes_artifex said:
The difference is that "possum" is only a slang term for the Virginia opossum, whereas it's the normal name for the Australian marsupials.

Again, like 99% of the actual usage of the tag possum refers specifically to the Virginia opossum. We’ve had it the other way around for years, where the possum tag pointed to Australian possums, but it was a constant mess and it didn’t work. And disambiguation would also be a constant mess that would not work. Even aliasing to American opossum would require people to constantly go through the tag and tag virginia_opossum where it’s missing, which will be frequent. This is the only sensible solution.

Like it or not, all the other possums and opossums are comparatively fairly rare on this site. Anyone tagging one of the others will likely know to use a more specific tag than the generic possum. Not so with the overabundance of people uploading Virginia opossums and not having a thought more complex than “IT’S A POSSUM!”

scaliespe said:
Again, like 99% of the actual usage of the tag possum refers specifically to the Virginia opossum. We’ve had it the other way around for years, where the possum tag pointed to Australian possums, but it was a constant mess and it didn’t work.

To further your point, when I said "every other continent" I meant I used a VPN and a fresh incognito window and searched "possum" in Brazil, England, South Africa, Taiwan and Australia, Australia was the only country that didn't bring up the Virginia Opossum

vulpes_artifex said:
The difference is that "possum" is only a slang term for the Virginia opossum, whereas it's the normal name for the Australian marsupials.

I know. That's why I advocated for the possum/opossum tag rearrangement. :p The alias to Virginia_opossum wasn't made willy-nilly, because you are correct. Possum is frequently used as an alternate name for opossums (especially the Virginia opossum of North America) which was then applied to the distantly related possums of Indonesia and Australia (we use Australian_possum for simplicity's sake). As scaliespie points out above, under the original version of the Dice-Ratte species taxonomy scheme (which, honestly, was not really completed due to the authors burning out and quitting e621), possum was aliased to phalangiform (ie. the Australian possums), but just about everyone who tagged it were doing so for the Virginia opossum, which makes up the vast majority of opossums on the site. Strikerman's revision is to basically translate didelphid and phalangiform as well remove an ambiguity that's causing so much mistagging by following user tagging habits. If it turns out aliasing possum to Virginia_opossum was a mistake, we'll just have to correct it in the future.

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