Biodiversity

Sunday, April 01, 2007

KEY ON DOLPHINS AND WHALES

Characters: 23 in data, 16 included, 1 in key.
Items: 11 in data, 11 included, 11 in key.
Parameters: Rbase = 1.40 Abase = 2.00 Reuse = 1.01 Varywt = .80
Characters included: 1–2 6–16 18 22–23
Character reliabilities: 1–23,5.0

1(0).

* Distinctive characteristic criss-cross figure-of-eight pattern on the sides ... Delphinus delphis
* Distinctive characteristic darker grey "cape" on the back... Tursiops truncatus
* Distinctive characteristic white lobe pointing obliquely backwards towards the tail... Cephalorhynchus heavisidii
* Distinctive characteristic 3 grey lines running backwards from the eye... Stenella coeruleoalba
* Distinctive characteristic mid dorsal elongate ridge on back... Sousa plumbea
* Distinctive characteristic long, narrow flippers... Megaptera novaeangliae
* Distinctive characteristic enormous, blunt head... Physeter macrocephalus
* Distinctive characteristic gey saddle behind dorsal fin... Orcinus orca
* Distinctive characteristic two-tone dorsal fin... Lagenorhynchus obscurus
* Distinctive characteristic dorsal fin absent... Lissodelphis peronii
* Distinctive characteristic none... Balaena glacialis

1 Comments:

  • The species that I chose, all had a distinctive characteristic. To indicate how my key plaed out, I went back and deleted two characters namely, distinctive characteristic and head as the latter was also very distinctive.

    By Blogger Eager, at April 01, 2007 10:53 AM  

Post a Comment

Links to this post:

Create a Link

<< Home