Skip to main content

You've searched: All Collections

  • All fields: sperm
(28 results)



Display: 20

    • Freshwater mussels: America's hidden treasures

    • Art; Aquatic animals; Endangered species; Rivers and streams;
    • This is a poster about freshwater mussels. One side displays a subaquatic environment featuring mussels and various fish, while the reverse side describes the mussels' life cycle and ecosystem role as well as what is being done to protect them.
    • A talk with Nancy Langston

    • Biological control; Biologists (USFWS); Diseases; Environmental education; Farms and farming; Podcast; Public Lecture;
    • In 1941 the Food and Drug Administration approved the use of diethylstilbestrol (DES), the first synthetic chemical to be marketed as an estrogen and one of the first to be identified as a hormone disruptor—a chemical that mimics hormones. Its...
    • Lead hazards to fish, wildlife, and invertebrates: a synoptic reivew

    • Biologists (USFWS); Water; Fishes; Pollutants;
    • Lead (Pb) and its compounds have been known to man for about 7,000 years, and Pb poisoning has been recognized for at least 2,500 years. All credible evidence indicates that Pb is neither essential nor beneficial to living organisms, and that all...
    • Black-footed ferret recovery plan

    • Document; Planning; Recovered; Prairies; Mammals;
    • The Black-footed Ferret Recovery Plan outlines steps for recovery of the black-footed ferret throughout its historical range.
    • Art Sowls oral history transcript

    • Employees (USFWS); Biography; History; Maintenance; Birds; Marine birds; Migratory birds; Biologists (USFWS); Rodents; Marine mammals; Outreach; Conservation;
    • Art Sowls oral history interview as conducted by John Cornely.
    • Black-Footed Ferret

    • Endangered species;Mammals;Partnerships
    • This photo was taken at the Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret Recovery...
    • Black-Footed Ferret  (captive)

    • Endangered species;Mammals;Partnerships
    • This photo was taken at the Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret Recovery...
    • Black-Footed Ferret (captive)

    • Endangered species;Mammals;Partnerships
    • These photos were taken at the Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret Recovery...
    • Black-Footed Ferret (captive)

    • Endangered species;Mammals;Partnerships
    • This photo was taken at Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret Recovery Plan"...
    • Black-Footed Ferret (captive)

    • Endangered species;Mammals;Partnerships
    • This photo was taken at Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret Recovery Plan"...
    • FWS Biologist in Black-Footed Ferret Research Pens

    • Endangered species;Mammals;Partnerships
    • This photo was taken at Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret Recovery Plan"...
    • FWS Biologist Prepares Cages for Black-Footed Ferret

    • Endangered species;Partnerships
    • This photo was taken at Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret Recovery Plan"...
    • Black-Footed Ferret Research Facility

    • Endangered species;Partnerships;Wildlife restoration;
    • This photo was taken at Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret Recovery Plan"...
    • Florida panther recovery plan. Technical/agency draft.

    • Endangered species; Wildlife management; Wildlife restoration; Reintroduction;
    • First recovery plan approved 12/7/1981. First revision approved June 1987. Second revision approved: 3/13/1995. The Florida panther is the last subspecies of Puma still surviving in the eastern United States. Historically occurring throughout the...

QuickView

Display a larger image and more item information when the pointer pauses over a thumbnail
 

Layout options:

Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK