My favourite pet is a lovely dog.I bought him last year in the pet market.He has long ears,a long body and brown fur.He is very small.He weights①about one kilogram.He is very active.He wants to catch everything.Every...My favourite pet is a lovely dog.I bought him last year in the pet market.He has long ears,a long body and brown fur.He is very small.He weights①about one kilogram.He is very active.He wants to catch everything.Every day he runs here and there.But if you want him to do something,he will be a very good boy.展开更多
Identification keys for terrestrial small mammals are often based on scientific details that require close examination of museum specimens.This paper builds on external morphological characteristics of the rodents rec...Identification keys for terrestrial small mammals are often based on scientific details that require close examination of museum specimens.This paper builds on external morphological characteristics of the rodents recorded through live trapping from 2011 to 2023 in Nyungwe National Park,a tropical rainforest in Rwanda,to formulate a taxonomic key suitable for both expert and non-expert researchers working in similar ecosystems across Africa.We reviewed the literature on taxonomic keys and field guide documents for small mammals to assess their practicality and identify gaps,with a special focus on their relevance to tropical regions and our study area.We then integrated our field records to harmonize this new development.We describe 23 rodent species,identified and confirmed using advanced taxonomic techniques,including DNA barcoding and voucher specimens.The study emphasizes that external features—particularly field photographs,body coloration(dorsal,ventral,and lateral views),and other distinctive anatomical traits—can serve as an effective field taxonomic key for rodents and other terrestrial small mammals,accessible to a broad scientific community.The paper also discusses the limitations of traditional dichotomous keys compared to short descriptions paired with photographic illustrations.The resulting key can be used as a template and is open to refinement as additional species are confirmed,re-assessed,or validated through advanced tools.Future studies may adapt this approach for other terrestrial small mammals and different locations across African tropical rainforests.展开更多
Labubu has become a global star,from Paris and New York to London and Milan.These charming figurines from Chinese toy manufacturer Pop Mart,with their soft fur,expressive eyes,pointed teeth and rabbit ears,have captiv...Labubu has become a global star,from Paris and New York to London and Milan.These charming figurines from Chinese toy manufacturer Pop Mart,with their soft fur,expressive eyes,pointed teeth and rabbit ears,have captivated buyers both in shops and online.展开更多
主题语境:动物特性,篇幅:335词,建议用时:7分钟,Polar bears possess a remarkable ability to prevent ice from forming on their fur,a characteristic that has long been recognized by Indigenous Arctic peoples but only recent...主题语境:动物特性,篇幅:335词,建议用时:7分钟,Polar bears possess a remarkable ability to prevent ice from forming on their fur,a characteristic that has long been recognized by Indigenous Arctic peoples but only recently studied by scientists.Bodil Holst,a physicist from the University of Bergen in Norway,discovered that the ice resistance of polar bear fur is due to natural oils secreted(分泌)onto the hairs,rather than the fur itself.This finding came from Holsts observation that polar bears,despite having freezing fur temperatures,never appeared with ice buildup in wildlife documentaries.展开更多
文摘My favourite pet is a lovely dog.I bought him last year in the pet market.He has long ears,a long body and brown fur.He is very small.He weights①about one kilogram.He is very active.He wants to catch everything.Every day he runs here and there.But if you want him to do something,he will be a very good boy.
文摘Identification keys for terrestrial small mammals are often based on scientific details that require close examination of museum specimens.This paper builds on external morphological characteristics of the rodents recorded through live trapping from 2011 to 2023 in Nyungwe National Park,a tropical rainforest in Rwanda,to formulate a taxonomic key suitable for both expert and non-expert researchers working in similar ecosystems across Africa.We reviewed the literature on taxonomic keys and field guide documents for small mammals to assess their practicality and identify gaps,with a special focus on their relevance to tropical regions and our study area.We then integrated our field records to harmonize this new development.We describe 23 rodent species,identified and confirmed using advanced taxonomic techniques,including DNA barcoding and voucher specimens.The study emphasizes that external features—particularly field photographs,body coloration(dorsal,ventral,and lateral views),and other distinctive anatomical traits—can serve as an effective field taxonomic key for rodents and other terrestrial small mammals,accessible to a broad scientific community.The paper also discusses the limitations of traditional dichotomous keys compared to short descriptions paired with photographic illustrations.The resulting key can be used as a template and is open to refinement as additional species are confirmed,re-assessed,or validated through advanced tools.Future studies may adapt this approach for other terrestrial small mammals and different locations across African tropical rainforests.
文摘Labubu has become a global star,from Paris and New York to London and Milan.These charming figurines from Chinese toy manufacturer Pop Mart,with their soft fur,expressive eyes,pointed teeth and rabbit ears,have captivated buyers both in shops and online.
文摘主题语境:动物特性,篇幅:335词,建议用时:7分钟,Polar bears possess a remarkable ability to prevent ice from forming on their fur,a characteristic that has long been recognized by Indigenous Arctic peoples but only recently studied by scientists.Bodil Holst,a physicist from the University of Bergen in Norway,discovered that the ice resistance of polar bear fur is due to natural oils secreted(分泌)onto the hairs,rather than the fur itself.This finding came from Holsts observation that polar bears,despite having freezing fur temperatures,never appeared with ice buildup in wildlife documentaries.