Keyphrases
Testosterone
100%
Songbird
77%
Corticosterone
76%
Junco Hyemalis
73%
Adult Male
70%
Dark-eyed Junco
59%
Gonadotropin-releasing Hormone
50%
Sparrow
49%
Luteinizing Hormone
46%
Plasma Corticosterone
39%
Acute Stress
39%
Control Region
36%
House Finch
34%
Domestic Duck
34%
Pigeons
32%
Aimophila
32%
Photoperiod
32%
Plasma Testosterone
30%
Dihydrotestosterone
30%
Naloxone
29%
Breeding Season
28%
Behavioral Effects
28%
Free-range
27%
Androgens
27%
Brain Regions
26%
Sexual Behavior
26%
Desert
26%
Reproductive Behavior
26%
Immunoreactivity
25%
Domestic pigeon
25%
Opioid Receptors
25%
Opioids
25%
Urban Birds
24%
Vocal Control
24%
Anas Platyrhynchos
24%
Crossbill
24%
Testosterone Propionate
24%
Food Availability
23%
Plasma Parameters
23%
Reproductive System
23%
Seasonal Changes
23%
Body Mass
21%
Hypothalamic-pituitary-gonadal Axis
21%
Carpodacus Mexicanus
21%
Passerine
21%
Sonoran Desert
21%
Stress-induced
20%
Opiates
18%
Curve-billed Thrasher
17%
Passerine Birds
17%
Agricultural and Biological Sciences
Blood Plasma
77%
Dark-Eyed Junco
32%
Corticosterone
30%
Aves
29%
Luteinizing Hormone
29%
Breeding Season
21%
Passeriformes
21%
Gonadotropin-Releasing Hormone
20%
Loxia
19%
Reproductive System
18%
Food Availability
18%
Leucoptera
17%
Photoperiod
17%
Spring
16%
Opiate
16%
Androgen
15%
Testes
15%
Prolactin
15%
Gonadotropin
14%
Zenaida
13%
Agonist
12%
Inbreeding
12%
Doves
12%
Trypanosoma
11%
Environmental Factor
11%
Immunity
11%
Gonad
11%
Molting
11%
Columbidae
10%
Reproduction
10%
Body Condition
9%
Haemoproteus
9%
Duck
9%
Hypothalamic-Pituitary-Gonadal Axis
8%
Carpodacus mexicanus
8%
Domestic Duck
8%
Passer Domesticus
8%
Oral Candidiasis
8%
Opioid Receptor
8%
Phenology
8%
Reproductive Behavior
8%
Territoriality
8%
Anas platyrhynchos
8%
Leucocytozoon
7%
Reproductive Hormone
7%
Plumage
7%
Preening
6%
Avian Species
6%
Breed
6%
Wild Birds
6%