Littafin Ja na Yankin Tver takarda ce ta jama'a. Tana yin rajistar da ke tattare da hatsari da nau'ikan nau'ikan flora, fauna, fungi da ƙananan filaye waɗanda ke cikin wannan yankin na Tarayyar Rasha. Littafin kimiyya ya gano duk wakilan dabbobi da tsire-tsire, rahotanni game da lambar. Marubutan sun bayyana yawan mutanen da ke cikin hatsari na wasu nau'ikan halittu. Ana amfani da bayanan daga littafin don tantance taxa a cikin gida da kuma haɗarin bacewa a duk duniya. Bayanan sun yi musu jagora, masana kimiyyar halittu sun samar da tsari ko kuma jagororin aiwatar da matakan kariya ga abubuwa masu rai masu hatsari Littafin ana ci gaba da shirya shi ne daga masana kimiyyar halittu.
Dabbobi masu shayarwa
Rashan Rasha
Matakan pipe
Yawo mai gwatso
Lambun shakatawa
Babban jerboa
Fata hamster
Sterwan hamzari na Dzungarian
Yin maganar daji
Bature na Turai
Kogin otter
Tsuntsaye
Bature mai kumburin baki
Grey-cheeked grebe
Curious pelikan
Babban egret
Baƙin stork
Red-breasted Goose
Whitearamin Fushin Farin Farko
Shiren swan
Rariya
Ogar
Peganka
Fari mai ido
Talakawa na al'ada
Duck
Kwalliya
Mai cin ango na gama gari
Matakan jirgin ruwa
Kurgannik
Mikiya mai taka leda
Babban Mikiya Mai Haske
Makabarta
Mikiya
Farar gaggafa
Saker Falcon
Fagen Peregrine
Derbnik
Steppe kestrel
Belladonna crane
Bustard
Bustard
Gyrfalcon
Sanda
Avocet
Maƙarƙashiya
Babban curlew
Matsakaici curlew
Mataki tirkushka
Bakin kai gulle
Mujiya
Mujiya Upland
Mujiya kadan
Mujiya gwarare
Hawk Mujiya
Mujiya
Babban mujiya
Shrike mai launin toka gama gari
Abinci
Swirling warbler
Gano damuwa
Oatmeal-Remez
Ambiyawa
Sabbin labarai
Red toad da ƙyali
Tafarnuwa gama gari
Green toad
Dabbobi masu rarrafe
Dogara sanda gaggautsa
Babban jan karfe
Lizard mai sauri
Kifi
Bature Brook Lamprey
Sterlet
Sinets
Fari-ido
Dan Rasha
Talakawa na yau da kullun
Chekhon
Kifin kifi gama gari
Turawan Turai
Siffar gama gari
Bersh
Shuke-shuke
Fern
Grozdovnik budurwa
Bubban Sudeten
Centan tsakiya na gama gari
Brown ta Multi-rower
Cungiyoyin Lyciformes
Rago na gama gari
Lycopodiella fadama
Semi-naman kaza lake
Asiya rabin gashi
Dawakai
Kayan dawakai daban-daban
Abubuwan Nunawa
Itace hatsi
Rdest yana da ja
Sheikhzeria fadama
Ciyawar tsuntsu
Cinna broadleaf
Dioecious sedge
Layi mai layi biyu
Bear albasa, ko tafarnuwa na daji
Hazel grouse
Chemeritsa baki
Dwarf birch
Sand carnation
Eggananan ƙwayayen ƙwai
Anemone
Lokacin bazara adonis
Clematis kai tsaye
Buttercup mai rarrafe
Ingilishi sundew
Cloudberry
Nau'in fis
Flax rawaya
Taswirar filin, ko fili
St John's wort mai alheri
Violet fadama
Matsakaici na Greengreen
Cranberry
Mai tsabtace madaidaiciya
Mai hikima Clary
Avran magani
Veronica karya
Veronica
Matsakaiciyar Pemphigus
Shuɗin honeysuckle
Altai kararrawa
Alamar Italiyanci, ko chamomile
Siberia Buzulnik
Tatar ƙetare hanya
Siberian skerda
Sphagnum m
Lichens
Pulmonary lobaria
Lecanor yana da shakka
Ramalina ta tsage
Namomin kaza
Brannan polypore
Sparassis yana da kyau
Wheaƙƙarin kirji
Gyroporus shuɗi
Rabin farin naman kaza
Farin aspen
Birch mai girma ruwan hoda
Saƙar gizo
Scaly shafin yanar gizo
Webcap shunayya
Pantaloons rawaya
Rusula ja
Cuku din Turkiyya
Fadama
Coral blackberry
Kammalawa
Littafin Red Book na yanki kuma yana ƙunshe da bayani game da dalilin da yasa dabbobi, kwari, shuke-shuke da wakilan microworld suka mutu ko kuma aka hallaka su, rahotanni game da yanayin yawan jama'a da kuma girman yadda aka rarraba su (kewayon). Littafin yana ba da cikakkiyar hoto ga masu bincike don lura da ƙarancin flora da fauna, halaye na su. Godiya ga ayyukan masana kimiyya, waɗancan al'ummomin na macro da microworld waɗanda suka zo gab da halaka an gano su kuma an kiyaye su. Littafin Ja na Yankin Tver ba kawai ya bayar da sanarwar niyya don kare dabi'a ba, har ma ya kunshi wani bangare kan yadda ake aiwatar da hukunci ga masu karya doka.